Home / 121,541.52-182,049.78-118,567.20

Finding the Fourth Proportional to 121,541.52, 182,049.78 and 118,567.20

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Solution

The fourth proportional to 121,541.52, 182,049.78 and 118,567.20 is: 177,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541.52 : 182,049.78 = 118,567.20 : x
  2. Step 2: Convert to fraction form
    121,541.52/182,049.78 = 118,567.20/x
  3. Step 3: Cross multiply
    121,541.52x = 182,049.78 × 118,567.20
  4. Step 4: Simplify right side
    121,541.52x = 21,585,132,675.22
  5. Step 5: Solve for x
    x = 21,585,132,675.22/121,541.52
  6. Step 6: Final answer
    x = 177,594.72

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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.