Home / 126,888.28-175,103.50-75,240.14

Finding the Fourth Proportional to 126,888.28, 175,103.50 and 75,240.14

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Solution

The fourth proportional to 126,888.28, 175,103.50 and 75,240.14 is: 103,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,888.28 : 175,103.50 = 75,240.14 : x
  2. Step 2: Convert to fraction form
    126,888.28/175,103.50 = 75,240.14/x
  3. Step 3: Cross multiply
    126,888.28x = 175,103.50 × 75,240.14
  4. Step 4: Simplify right side
    126,888.28x = 13,174,811,854.49
  5. Step 5: Solve for x
    x = 13,174,811,854.49/126,888.28
  6. Step 6: Final answer
    x = 103,830.01

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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.