Home / 90,500.72-124,909.17-52,266.49

Finding the Fourth Proportional to 90,500.72, 124,909.17 and 52,266.49

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Solution

The fourth proportional to 90,500.72, 124,909.17 and 52,266.49 is: 72,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,500.72 : 124,909.17 = 52,266.49 : x
  2. Step 2: Convert to fraction form
    90,500.72/124,909.17 = 52,266.49/x
  3. Step 3: Cross multiply
    90,500.72x = 124,909.17 × 52,266.49
  4. Step 4: Simplify right side
    90,500.72x = 6,528,563,884.71
  5. Step 5: Solve for x
    x = 6,528,563,884.71/90,500.72
  6. Step 6: Final answer
    x = 72,138.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.