Home / 121,973.20-182,959.80-62,789.20

Finding the Fourth Proportional to 121,973.20, 182,959.80 and 62,789.20

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Solution

The fourth proportional to 121,973.20, 182,959.80 and 62,789.20 is: 94,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,973.20 : 182,959.80 = 62,789.20 : x
  2. Step 2: Convert to fraction form
    121,973.20/182,959.80 = 62,789.20/x
  3. Step 3: Cross multiply
    121,973.20x = 182,959.80 × 62,789.20
  4. Step 4: Simplify right side
    121,973.20x = 11,487,899,474.16
  5. Step 5: Solve for x
    x = 11,487,899,474.16/121,973.20
  6. Step 6: Final answer
    x = 94,183.80

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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.