Home / 195,132.27-292,742.15-81,281.91

Finding the Fourth Proportional to 195,132.27, 292,742.15 and 81,281.91

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Solution

The fourth proportional to 195,132.27, 292,742.15 and 81,281.91 is: 121,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,132.27 : 292,742.15 = 81,281.91 : x
  2. Step 2: Convert to fraction form
    195,132.27/292,742.15 = 81,281.91/x
  3. Step 3: Cross multiply
    195,132.27x = 292,742.15 × 81,281.91
  4. Step 4: Simplify right side
    195,132.27x = 23,794,640,683.10
  5. Step 5: Solve for x
    x = 23,794,640,683.10/195,132.27
  6. Step 6: Final answer
    x = 121,941.08

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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.