Home / 126,352.51-174,326.95-72,617.83

Finding the Fourth Proportional to 126,352.51, 174,326.95 and 72,617.83

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Solution

The fourth proportional to 126,352.51, 174,326.95 and 72,617.83 is: 100,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.51 : 174,326.95 = 72,617.83 : x
  2. Step 2: Convert to fraction form
    126,352.51/174,326.95 = 72,617.83/x
  3. Step 3: Cross multiply
    126,352.51x = 174,326.95 × 72,617.83
  4. Step 4: Simplify right side
    126,352.51x = 12,659,244,819.52
  5. Step 5: Solve for x
    x = 12,659,244,819.52/126,352.51
  6. Step 6: Final answer
    x = 100,189.90

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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.