Home / 133,155.38-183,753.44-72,726.04

Finding the Fourth Proportional to 133,155.38, 183,753.44 and 72,726.04

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Solution

The fourth proportional to 133,155.38, 183,753.44 and 72,726.04 is: 100,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,155.38 : 183,753.44 = 72,726.04 : x
  2. Step 2: Convert to fraction form
    133,155.38/183,753.44 = 72,726.04/x
  3. Step 3: Cross multiply
    133,155.38x = 183,753.44 × 72,726.04
  4. Step 4: Simplify right side
    133,155.38x = 13,363,660,027.58
  5. Step 5: Solve for x
    x = 13,363,660,027.58/133,155.38
  6. Step 6: Final answer
    x = 100,361.40

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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.