Home / 156,372.24-234,382.32-77,543.04

Finding the Fourth Proportional to 156,372.24, 234,382.32 and 77,543.04

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Solution

The fourth proportional to 156,372.24, 234,382.32 and 77,543.04 is: 116,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,372.24 : 234,382.32 = 77,543.04 : x
  2. Step 2: Convert to fraction form
    156,372.24/234,382.32 = 77,543.04/x
  3. Step 3: Cross multiply
    156,372.24x = 234,382.32 × 77,543.04
  4. Step 4: Simplify right side
    156,372.24x = 18,174,717,615.05
  5. Step 5: Solve for x
    x = 18,174,717,615.05/156,372.24
  6. Step 6: Final answer
    x = 116,227.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.