Home / 154,930.40-232,395.60-145,599.20

Finding the Fourth Proportional to 154,930.40, 232,395.60 and 145,599.20

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Solution

The fourth proportional to 154,930.40, 232,395.60 and 145,599.20 is: 218,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,930.40 : 232,395.60 = 145,599.20 : x
  2. Step 2: Convert to fraction form
    154,930.40/232,395.60 = 145,599.20/x
  3. Step 3: Cross multiply
    154,930.40x = 232,395.60 × 145,599.20
  4. Step 4: Simplify right side
    154,930.40x = 33,836,613,443.52
  5. Step 5: Solve for x
    x = 33,836,613,443.52/154,930.40
  6. Step 6: Final answer
    x = 218,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.