Home / 121,540.52-182,048.28-118,566.20

Finding the Fourth Proportional to 121,540.52, 182,048.28 and 118,566.20

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Solution

The fourth proportional to 121,540.52, 182,048.28 and 118,566.20 is: 177,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,540.52 : 182,048.28 = 118,566.20 : x
  2. Step 2: Convert to fraction form
    121,540.52/182,048.28 = 118,566.20/x
  3. Step 3: Cross multiply
    121,540.52x = 182,048.28 × 118,566.20
  4. Step 4: Simplify right side
    121,540.52x = 21,584,772,776.14
  5. Step 5: Solve for x
    x = 21,584,772,776.14/121,540.52
  6. Step 6: Final answer
    x = 177,593.22

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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.