Home / 154,667.60-232,001.40-141,837.20

Finding the Fourth Proportional to 154,667.60, 232,001.40 and 141,837.20

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Solution

The fourth proportional to 154,667.60, 232,001.40 and 141,837.20 is: 212,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,667.60 : 232,001.40 = 141,837.20 : x
  2. Step 2: Convert to fraction form
    154,667.60/232,001.40 = 141,837.20/x
  3. Step 3: Cross multiply
    154,667.60x = 232,001.40 × 141,837.20
  4. Step 4: Simplify right side
    154,667.60x = 32,906,428,972.08
  5. Step 5: Solve for x
    x = 32,906,428,972.08/154,667.60
  6. Step 6: Final answer
    x = 212,755.80

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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.