Home / 126,837.20-175,037.80-73,113.20

Finding the Fourth Proportional to 126,837.20, 175,037.80 and 73,113.20

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Solution

The fourth proportional to 126,837.20, 175,037.80 and 73,113.20 is: 100,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,837.20 : 175,037.80 = 73,113.20 : x
  2. Step 2: Convert to fraction form
    126,837.20/175,037.80 = 73,113.20/x
  3. Step 3: Cross multiply
    126,837.20x = 175,037.80 × 73,113.20
  4. Step 4: Simplify right side
    126,837.20x = 12,797,573,678.96
  5. Step 5: Solve for x
    x = 12,797,573,678.96/126,837.20
  6. Step 6: Final answer
    x = 100,897.64

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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.