Home / 145,712.46-201,105.51-88,361.10

Finding the Fourth Proportional to 145,712.46, 201,105.51 and 88,361.10

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Solution

The fourth proportional to 145,712.46, 201,105.51 and 88,361.10 is: 121,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,712.46 : 201,105.51 = 88,361.10 : x
  2. Step 2: Convert to fraction form
    145,712.46/201,105.51 = 88,361.10/x
  3. Step 3: Cross multiply
    145,712.46x = 201,105.51 × 88,361.10
  4. Step 4: Simplify right side
    145,712.46x = 17,769,904,079.66
  5. Step 5: Solve for x
    x = 17,769,904,079.66/145,712.46
  6. Step 6: Final answer
    x = 121,951.85

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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.