Home / 91,618.40-137,427.60-50,146.40

Finding the Fourth Proportional to 91,618.40, 137,427.60 and 50,146.40

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Solution

The fourth proportional to 91,618.40, 137,427.60 and 50,146.40 is: 75,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,618.40 : 137,427.60 = 50,146.40 : x
  2. Step 2: Convert to fraction form
    91,618.40/137,427.60 = 50,146.40/x
  3. Step 3: Cross multiply
    91,618.40x = 137,427.60 × 50,146.40
  4. Step 4: Simplify right side
    91,618.40x = 6,891,499,400.64
  5. Step 5: Solve for x
    x = 6,891,499,400.64/91,618.40
  6. Step 6: Final answer
    x = 75,219.60

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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.