Home / 126,850.86-175,011.54-73,134.70

Finding the Fourth Proportional to 126,850.86, 175,011.54 and 73,134.70

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Solution

The fourth proportional to 126,850.86, 175,011.54 and 73,134.70 is: 100,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,850.86 : 175,011.54 = 73,134.70 : x
  2. Step 2: Convert to fraction form
    126,850.86/175,011.54 = 73,134.70/x
  3. Step 3: Cross multiply
    126,850.86x = 175,011.54 × 73,134.70
  4. Step 4: Simplify right side
    126,850.86x = 12,799,415,762.65
  5. Step 5: Solve for x
    x = 12,799,415,762.65/126,850.86
  6. Step 6: Final answer
    x = 100,901.29

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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.