Home / 156,337.32-234,389.34-73,211.88

Finding the Fourth Proportional to 156,337.32, 234,389.34 and 73,211.88

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Solution

The fourth proportional to 156,337.32, 234,389.34 and 73,211.88 is: 109,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,337.32 : 234,389.34 = 73,211.88 : x
  2. Step 2: Convert to fraction form
    156,337.32/234,389.34 = 73,211.88/x
  3. Step 3: Cross multiply
    156,337.32x = 234,389.34 × 73,211.88
  4. Step 4: Simplify right side
    156,337.32x = 17,160,084,233.36
  5. Step 5: Solve for x
    x = 17,160,084,233.36/156,337.32
  6. Step 6: Final answer
    x = 109,763.20

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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.