Home / 135,452.28-187,280.88-118,637.04

Finding the Fourth Proportional to 135,452.28, 187,280.88 and 118,637.04

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Solution

The fourth proportional to 135,452.28, 187,280.88 and 118,637.04 is: 164,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.28 : 187,280.88 = 118,637.04 : x
  2. Step 2: Convert to fraction form
    135,452.28/187,280.88 = 118,637.04/x
  3. Step 3: Cross multiply
    135,452.28x = 187,280.88 × 118,637.04
  4. Step 4: Simplify right side
    135,452.28x = 22,218,449,251.80
  5. Step 5: Solve for x
    x = 22,218,449,251.80/135,452.28
  6. Step 6: Final answer
    x = 164,031.56

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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.