Home / 156,949.15-235,337.32-51,713.95

Finding the Fourth Proportional to 156,949.15, 235,337.32 and 51,713.95

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Solution

The fourth proportional to 156,949.15, 235,337.32 and 51,713.95 is: 77,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.15 : 235,337.32 = 51,713.95 : x
  2. Step 2: Convert to fraction form
    156,949.15/235,337.32 = 51,713.95/x
  3. Step 3: Cross multiply
    156,949.15x = 235,337.32 × 51,713.95
  4. Step 4: Simplify right side
    156,949.15x = 12,170,222,399.61
  5. Step 5: Solve for x
    x = 12,170,222,399.61/156,949.15
  6. Step 6: Final answer
    x = 77,542.45

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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.