Home / 156,966.60-235,444.65-68,220.12

Finding the Fourth Proportional to 156,966.60, 235,444.65 and 68,220.12

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Solution

The fourth proportional to 156,966.60, 235,444.65 and 68,220.12 is: 102,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.60 : 235,444.65 = 68,220.12 : x
  2. Step 2: Convert to fraction form
    156,966.60/235,444.65 = 68,220.12/x
  3. Step 3: Cross multiply
    156,966.60x = 235,444.65 × 68,220.12
  4. Step 4: Simplify right side
    156,966.60x = 16,062,062,276.36
  5. Step 5: Solve for x
    x = 16,062,062,276.36/156,966.60
  6. Step 6: Final answer
    x = 102,327.90

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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.