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Finding the Fourth Proportional to 91,698.37, 137,547.56 and 60,526.33

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Solution

The fourth proportional to 91,698.37, 137,547.56 and 60,526.33 is: 90,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,698.37 : 137,547.56 = 60,526.33 : x
  2. Step 2: Convert to fraction form
    91,698.37/137,547.56 = 60,526.33/x
  3. Step 3: Cross multiply
    91,698.37x = 137,547.56 × 60,526.33
  4. Step 4: Simplify right side
    91,698.37x = 8,325,249,007.25
  5. Step 5: Solve for x
    x = 8,325,249,007.25/91,698.37
  6. Step 6: Final answer
    x = 90,789.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.