Home / 91,394.46-137,040.75-28,196.64

Finding the Fourth Proportional to 91,394.46, 137,040.75 and 28,196.64

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Solution

The fourth proportional to 91,394.46, 137,040.75 and 28,196.64 is: 42,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,394.46 : 137,040.75 = 28,196.64 : x
  2. Step 2: Convert to fraction form
    91,394.46/137,040.75 = 28,196.64/x
  3. Step 3: Cross multiply
    91,394.46x = 137,040.75 × 28,196.64
  4. Step 4: Simplify right side
    91,394.46x = 3,864,088,693.08
  5. Step 5: Solve for x
    x = 3,864,088,693.08/91,394.46
  6. Step 6: Final answer
    x = 42,279.24

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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.