Home / 121,566.30-182,331.21-38,449.50

Finding the Fourth Proportional to 121,566.30, 182,331.21 and 38,449.50

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Solution

The fourth proportional to 121,566.30, 182,331.21 and 38,449.50 is: 57,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566.30 : 182,331.21 = 38,449.50 : x
  2. Step 2: Convert to fraction form
    121,566.30/182,331.21 = 38,449.50/x
  3. Step 3: Cross multiply
    121,566.30x = 182,331.21 × 38,449.50
  4. Step 4: Simplify right side
    121,566.30x = 7,010,543,858.90
  5. Step 5: Solve for x
    x = 7,010,543,858.90/121,566.30
  6. Step 6: Final answer
    x = 57,668.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.