Home / 158,781.08-219,432.83-130,055.24

Finding the Fourth Proportional to 158,781.08, 219,432.83 and 130,055.24

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Solution

The fourth proportional to 158,781.08, 219,432.83 and 130,055.24 is: 179,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,781.08 : 219,432.83 = 130,055.24 : x
  2. Step 2: Convert to fraction form
    158,781.08/219,432.83 = 130,055.24/x
  3. Step 3: Cross multiply
    158,781.08x = 219,432.83 × 130,055.24
  4. Step 4: Simplify right side
    158,781.08x = 28,538,387,622.09
  5. Step 5: Solve for x
    x = 28,538,387,622.09/158,781.08
  6. Step 6: Final answer
    x = 179,734.19

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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.