Home / 99,526.73-137,396.45-65,557.15

Finding the Fourth Proportional to 99,526.73, 137,396.45 and 65,557.15

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Solution

The fourth proportional to 99,526.73, 137,396.45 and 65,557.15 is: 90,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526.73 : 137,396.45 = 65,557.15 : x
  2. Step 2: Convert to fraction form
    99,526.73/137,396.45 = 65,557.15/x
  3. Step 3: Cross multiply
    99,526.73x = 137,396.45 × 65,557.15
  4. Step 4: Simplify right side
    99,526.73x = 9,007,319,502.52
  5. Step 5: Solve for x
    x = 9,007,319,502.52/99,526.73
  6. Step 6: Final answer
    x = 90,501.52

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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.