Home / 99,935.28-137,911.14-54,613.17

Finding the Fourth Proportional to 99,935.28, 137,911.14 and 54,613.17

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Solution

The fourth proportional to 99,935.28, 137,911.14 and 54,613.17 is: 75,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.28 : 137,911.14 = 54,613.17 : x
  2. Step 2: Convert to fraction form
    99,935.28/137,911.14 = 54,613.17/x
  3. Step 3: Cross multiply
    99,935.28x = 137,911.14 × 54,613.17
  4. Step 4: Simplify right side
    99,935.28x = 7,531,764,533.71
  5. Step 5: Solve for x
    x = 7,531,764,533.71/99,935.28
  6. Step 6: Final answer
    x = 75,366.42

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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.