Home / 127,342.28-175,786.20-85,958.24

Finding the Fourth Proportional to 127,342.28, 175,786.20 and 85,958.24

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Solution

The fourth proportional to 127,342.28, 175,786.20 and 85,958.24 is: 118,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.28 : 175,786.20 = 85,958.24 : x
  2. Step 2: Convert to fraction form
    127,342.28/175,786.20 = 85,958.24/x
  3. Step 3: Cross multiply
    127,342.28x = 175,786.20 × 85,958.24
  4. Step 4: Simplify right side
    127,342.28x = 15,110,272,368.29
  5. Step 5: Solve for x
    x = 15,110,272,368.29/127,342.28
  6. Step 6: Final answer
    x = 118,658.72

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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.