Home / 156,468.27-234,735.21-77,572.26

Finding the Fourth Proportional to 156,468.27, 234,735.21 and 77,572.26

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Solution

The fourth proportional to 156,468.27, 234,735.21 and 77,572.26 is: 116,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,468.27 : 234,735.21 = 77,572.26 : x
  2. Step 2: Convert to fraction form
    156,468.27/234,735.21 = 77,572.26/x
  3. Step 3: Cross multiply
    156,468.27x = 234,735.21 × 77,572.26
  4. Step 4: Simplify right side
    156,468.27x = 18,208,940,741.27
  5. Step 5: Solve for x
    x = 18,208,940,741.27/156,468.27
  6. Step 6: Final answer
    x = 116,374.65

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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.