Home / 147,613.40-221,420.10-88,418.60

Finding the Fourth Proportional to 147,613.40, 221,420.10 and 88,418.60

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Solution

The fourth proportional to 147,613.40, 221,420.10 and 88,418.60 is: 132,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613.40 : 221,420.10 = 88,418.60 : x
  2. Step 2: Convert to fraction form
    147,613.40/221,420.10 = 88,418.60/x
  3. Step 3: Cross multiply
    147,613.40x = 221,420.10 × 88,418.60
  4. Step 4: Simplify right side
    147,613.40x = 19,577,655,253.86
  5. Step 5: Solve for x
    x = 19,577,655,253.86/147,613.40
  6. Step 6: Final answer
    x = 132,627.90

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1.5x scale

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.