Home / 156,739.92-235,134-51,534.24

Finding the Fourth Proportional to 156,739.92, 235,134 and 51,534.24

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Solution

The fourth proportional to 156,739.92, 235,134 and 51,534.24 is: 77,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.92 : 235,134 = 51,534.24 : x
  2. Step 2: Convert to fraction form
    156,739.92/235,134 = 51,534.24/x
  3. Step 3: Cross multiply
    156,739.92x = 235,134 × 51,534.24
  4. Step 4: Simplify right side
    156,739.92x = 12,117,451,988.16
  5. Step 5: Solve for x
    x = 12,117,451,988.16/156,739.92
  6. Step 6: Final answer
    x = 77,309.29

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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.