Home / 156,962.10-235,437.90-68,215.62

Finding the Fourth Proportional to 156,962.10, 235,437.90 and 68,215.62

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Solution

The fourth proportional to 156,962.10, 235,437.90 and 68,215.62 is: 102,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.10 : 235,437.90 = 68,215.62 : x
  2. Step 2: Convert to fraction form
    156,962.10/235,437.90 = 68,215.62/x
  3. Step 3: Cross multiply
    156,962.10x = 235,437.90 × 68,215.62
  4. Step 4: Simplify right side
    156,962.10x = 16,060,542,320.00
  5. Step 5: Solve for x
    x = 16,060,542,320.00/156,962.10
  6. Step 6: Final answer
    x = 102,321.15

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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.