Home / 147,630.30-221,445.45-137,132.70

Finding the Fourth Proportional to 147,630.30, 221,445.45 and 137,132.70

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Solution

The fourth proportional to 147,630.30, 221,445.45 and 137,132.70 is: 205,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.30 : 221,445.45 = 137,132.70 : x
  2. Step 2: Convert to fraction form
    147,630.30/221,445.45 = 137,132.70/x
  3. Step 3: Cross multiply
    147,630.30x = 221,445.45 × 137,132.70
  4. Step 4: Simplify right side
    147,630.30x = 30,367,412,461.22
  5. Step 5: Solve for x
    x = 30,367,412,461.22/147,630.30
  6. Step 6: Final answer
    x = 205,699.05

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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.