Home / 156,962.70-235,444.05-144,981.90

Finding the Fourth Proportional to 156,962.70, 235,444.05 and 144,981.90

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Solution

The fourth proportional to 156,962.70, 235,444.05 and 144,981.90 is: 217,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.70 : 235,444.05 = 144,981.90 : x
  2. Step 2: Convert to fraction form
    156,962.70/235,444.05 = 144,981.90/x
  3. Step 3: Cross multiply
    156,962.70x = 235,444.05 × 144,981.90
  4. Step 4: Simplify right side
    156,962.70x = 34,135,125,712.70
  5. Step 5: Solve for x
    x = 34,135,125,712.70/156,962.70
  6. Step 6: Final answer
    x = 217,472.85

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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.