Home / 126,421.95-174,454.50-69,049.65

Finding the Fourth Proportional to 126,421.95, 174,454.50 and 69,049.65

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Solution

The fourth proportional to 126,421.95, 174,454.50 and 69,049.65 is: 95,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.95 : 174,454.50 = 69,049.65 : x
  2. Step 2: Convert to fraction form
    126,421.95/174,454.50 = 69,049.65/x
  3. Step 3: Cross multiply
    126,421.95x = 174,454.50 × 69,049.65
  4. Step 4: Simplify right side
    126,421.95x = 12,046,022,165.93
  5. Step 5: Solve for x
    x = 12,046,022,165.93/126,421.95
  6. Step 6: Final answer
    x = 95,284.26

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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.