Home / 127,629.04-191,514-52,731.76

Finding the Fourth Proportional to 127,629.04, 191,514 and 52,731.76

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Solution

The fourth proportional to 127,629.04, 191,514 and 52,731.76 is: 79,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,629.04 : 191,514 = 52,731.76 : x
  2. Step 2: Convert to fraction form
    127,629.04/191,514 = 52,731.76/x
  3. Step 3: Cross multiply
    127,629.04x = 191,514 × 52,731.76
  4. Step 4: Simplify right side
    127,629.04x = 10,098,870,284.64
  5. Step 5: Solve for x
    x = 10,098,870,284.64/127,629.04
  6. Step 6: Final answer
    x = 79,126.74

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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.