Home / 121,540.24-182,047.92-118,565.92

Finding the Fourth Proportional to 121,540.24, 182,047.92 and 118,565.92

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Solution

The fourth proportional to 121,540.24, 182,047.92 and 118,565.92 is: 177,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,540.24 : 182,047.92 = 118,565.92 : x
  2. Step 2: Convert to fraction form
    121,540.24/182,047.92 = 118,565.92/x
  3. Step 3: Cross multiply
    121,540.24x = 182,047.92 × 118,565.92
  4. Step 4: Simplify right side
    121,540.24x = 21,584,679,118.89
  5. Step 5: Solve for x
    x = 21,584,679,118.89/121,540.24
  6. Step 6: Final answer
    x = 177,592.86

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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.