Home / 126,855.60-175,060.20-73,140.36

Finding the Fourth Proportional to 126,855.60, 175,060.20 and 73,140.36

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Solution

The fourth proportional to 126,855.60, 175,060.20 and 73,140.36 is: 100,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,855.60 : 175,060.20 = 73,140.36 : x
  2. Step 2: Convert to fraction form
    126,855.60/175,060.20 = 73,140.36/x
  3. Step 3: Cross multiply
    126,855.60x = 175,060.20 × 73,140.36
  4. Step 4: Simplify right side
    126,855.60x = 12,803,966,049.67
  5. Step 5: Solve for x
    x = 12,803,966,049.67/126,855.60
  6. Step 6: Final answer
    x = 100,933.39

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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.