Home / 153,961.60-230,884.80-54,083.20

Finding the Fourth Proportional to 153,961.60, 230,884.80 and 54,083.20

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Solution

The fourth proportional to 153,961.60, 230,884.80 and 54,083.20 is: 81,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,961.60 : 230,884.80 = 54,083.20 : x
  2. Step 2: Convert to fraction form
    153,961.60/230,884.80 = 54,083.20/x
  3. Step 3: Cross multiply
    153,961.60x = 230,884.80 × 54,083.20
  4. Step 4: Simplify right side
    153,961.60x = 12,486,988,815.36
  5. Step 5: Solve for x
    x = 12,486,988,815.36/153,961.60
  6. Step 6: Final answer
    x = 81,104.57

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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.