Home / 147,414.60-221,121.90-42,244.20

Finding the Fourth Proportional to 147,414.60, 221,121.90 and 42,244.20

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Solution

The fourth proportional to 147,414.60, 221,121.90 and 42,244.20 is: 63,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.60 : 221,121.90 = 42,244.20 : x
  2. Step 2: Convert to fraction form
    147,414.60/221,121.90 = 42,244.20/x
  3. Step 3: Cross multiply
    147,414.60x = 221,121.90 × 42,244.20
  4. Step 4: Simplify right side
    147,414.60x = 9,341,117,767.98
  5. Step 5: Solve for x
    x = 9,341,117,767.98/147,414.60
  6. Step 6: Final answer
    x = 63,366.30

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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.