Home / 133,232.52-183,863.28-72,805.68

Finding the Fourth Proportional to 133,232.52, 183,863.28 and 72,805.68

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Solution

The fourth proportional to 133,232.52, 183,863.28 and 72,805.68 is: 100,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,232.52 : 183,863.28 = 72,805.68 : x
  2. Step 2: Convert to fraction form
    133,232.52/183,863.28 = 72,805.68/x
  3. Step 3: Cross multiply
    133,232.52x = 183,863.28 × 72,805.68
  4. Step 4: Simplify right side
    133,232.52x = 13,386,291,127.43
  5. Step 5: Solve for x
    x = 13,386,291,127.43/133,232.52
  6. Step 6: Final answer
    x = 100,473.15

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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.