Home / 156,690.28-234,985.56-51,484.96

Finding the Fourth Proportional to 156,690.28, 234,985.56 and 51,484.96

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Solution

The fourth proportional to 156,690.28, 234,985.56 and 51,484.96 is: 77,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690.28 : 234,985.56 = 51,484.96 : x
  2. Step 2: Convert to fraction form
    156,690.28/234,985.56 = 51,484.96/x
  3. Step 3: Cross multiply
    156,690.28x = 234,985.56 × 51,484.96
  4. Step 4: Simplify right side
    156,690.28x = 12,098,222,157.18
  5. Step 5: Solve for x
    x = 12,098,222,157.18/156,690.28
  6. Step 6: Final answer
    x = 77,211.06

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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.