Home / 126,838.36-175,036.50-73,123.12

Finding the Fourth Proportional to 126,838.36, 175,036.50 and 73,123.12

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Solution

The fourth proportional to 126,838.36, 175,036.50 and 73,123.12 is: 100,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.36 : 175,036.50 = 73,123.12 : x
  2. Step 2: Convert to fraction form
    126,838.36/175,036.50 = 73,123.12/x
  3. Step 3: Cross multiply
    126,838.36x = 175,036.50 × 73,123.12
  4. Step 4: Simplify right side
    126,838.36x = 12,799,214,993.88
  5. Step 5: Solve for x
    x = 12,799,214,993.88/126,838.36
  6. Step 6: Final answer
    x = 100,909.65

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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.