Home / 156,988.60-235,449.96-51,782.92

Finding the Fourth Proportional to 156,988.60, 235,449.96 and 51,782.92

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Solution

The fourth proportional to 156,988.60, 235,449.96 and 51,782.92 is: 77,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.60 : 235,449.96 = 51,782.92 : x
  2. Step 2: Convert to fraction form
    156,988.60/235,449.96 = 51,782.92/x
  3. Step 3: Cross multiply
    156,988.60x = 235,449.96 × 51,782.92
  4. Step 4: Simplify right side
    156,988.60x = 12,192,286,442.68
  5. Step 5: Solve for x
    x = 12,192,286,442.68/156,988.60
  6. Step 6: Final answer
    x = 77,663.51

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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.