Home / 149,508.23-206,319.85-81,525.04

Finding the Fourth Proportional to 149,508.23, 206,319.85 and 81,525.04

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Solution

The fourth proportional to 149,508.23, 206,319.85 and 81,525.04 is: 112,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,508.23 : 206,319.85 = 81,525.04 : x
  2. Step 2: Convert to fraction form
    149,508.23/206,319.85 = 81,525.04/x
  3. Step 3: Cross multiply
    149,508.23x = 206,319.85 × 81,525.04
  4. Step 4: Simplify right side
    149,508.23x = 16,820,234,024.04
  5. Step 5: Solve for x
    x = 16,820,234,024.04/149,508.23
  6. Step 6: Final answer
    x = 112,503.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.