Home / 127,946.13-176,565.24-76,988.54

Finding the Fourth Proportional to 127,946.13, 176,565.24 and 76,988.54

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Solution

The fourth proportional to 127,946.13, 176,565.24 and 76,988.54 is: 106,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.13 : 176,565.24 = 76,988.54 : x
  2. Step 2: Convert to fraction form
    127,946.13/176,565.24 = 76,988.54/x
  3. Step 3: Cross multiply
    127,946.13x = 176,565.24 × 76,988.54
  4. Step 4: Simplify right side
    127,946.13x = 13,593,499,159.52
  5. Step 5: Solve for x
    x = 13,593,499,159.52/127,946.13
  6. Step 6: Final answer
    x = 106,243.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.