Home / 239,445.16-330,436.56-132,019.04

Finding the Fourth Proportional to 239,445.16, 330,436.56 and 132,019.04

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Solution

The fourth proportional to 239,445.16, 330,436.56 and 132,019.04 is: 182,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,445.16 : 330,436.56 = 132,019.04 : x
  2. Step 2: Convert to fraction form
    239,445.16/330,436.56 = 132,019.04/x
  3. Step 3: Cross multiply
    239,445.16x = 330,436.56 × 132,019.04
  4. Step 4: Simplify right side
    239,445.16x = 43,623,917,432.10
  5. Step 5: Solve for x
    x = 43,623,917,432.10/239,445.16
  6. Step 6: Final answer
    x = 182,187.51

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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.