Home / 99,281.55-137,008.38-53,959.41

Finding the Fourth Proportional to 99,281.55, 137,008.38 and 53,959.41

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Solution

The fourth proportional to 99,281.55, 137,008.38 and 53,959.41 is: 74,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.55 : 137,008.38 = 53,959.41 : x
  2. Step 2: Convert to fraction form
    99,281.55/137,008.38 = 53,959.41/x
  3. Step 3: Cross multiply
    99,281.55x = 137,008.38 × 53,959.41
  4. Step 4: Simplify right side
    99,281.55x = 7,392,891,349.86
  5. Step 5: Solve for x
    x = 7,392,891,349.86/99,281.55
  6. Step 6: Final answer
    x = 74,463.90

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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.