Home / 169,439.01-234,069.20-135,402.95

Finding the Fourth Proportional to 169,439.01, 234,069.20 and 135,402.95

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Solution

The fourth proportional to 169,439.01, 234,069.20 and 135,402.95 is: 187,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,439.01 : 234,069.20 = 135,402.95 : x
  2. Step 2: Convert to fraction form
    169,439.01/234,069.20 = 135,402.95/x
  3. Step 3: Cross multiply
    169,439.01x = 234,069.20 × 135,402.95
  4. Step 4: Simplify right side
    169,439.01x = 31,693,658,336.78
  5. Step 5: Solve for x
    x = 31,693,658,336.78/169,439.01
  6. Step 6: Final answer
    x = 187,050.54

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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.