Home / 236,921.02-326,942.13-129,490.18

Finding the Fourth Proportional to 236,921.02, 326,942.13 and 129,490.18

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Solution

The fourth proportional to 236,921.02, 326,942.13 and 129,490.18 is: 178,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,921.02 : 326,942.13 = 129,490.18 : x
  2. Step 2: Convert to fraction form
    236,921.02/326,942.13 = 129,490.18/x
  3. Step 3: Cross multiply
    236,921.02x = 326,942.13 × 129,490.18
  4. Step 4: Simplify right side
    236,921.02x = 42,335,795,263.28
  5. Step 5: Solve for x
    x = 42,335,795,263.28/236,921.02
  6. Step 6: Final answer
    x = 178,691.60

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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.