Home / 127,181.28-175,510.92-79,462.38

Finding the Fourth Proportional to 127,181.28, 175,510.92 and 79,462.38

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Solution

The fourth proportional to 127,181.28, 175,510.92 and 79,462.38 is: 109,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,181.28 : 175,510.92 = 79,462.38 : x
  2. Step 2: Convert to fraction form
    127,181.28/175,510.92 = 79,462.38/x
  3. Step 3: Cross multiply
    127,181.28x = 175,510.92 × 79,462.38
  4. Step 4: Simplify right side
    127,181.28x = 13,946,515,419.19
  5. Step 5: Solve for x
    x = 13,946,515,419.19/127,181.28
  6. Step 6: Final answer
    x = 109,658.56

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1.5x scale

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.