Home / 156,132.60-234,209.34-54,918.52

Finding the Fourth Proportional to 156,132.60, 234,209.34 and 54,918.52

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Solution

The fourth proportional to 156,132.60, 234,209.34 and 54,918.52 is: 82,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,132.60 : 234,209.34 = 54,918.52 : x
  2. Step 2: Convert to fraction form
    156,132.60/234,209.34 = 54,918.52/x
  3. Step 3: Cross multiply
    156,132.60x = 234,209.34 × 54,918.52
  4. Step 4: Simplify right side
    156,132.60x = 12,862,430,322.98
  5. Step 5: Solve for x
    x = 12,862,430,322.98/156,132.60
  6. Step 6: Final answer
    x = 82,381.45

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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.