Home / 628,067.80-942,102.15-154,753.16

Finding the Fourth Proportional to 628,067.80, 942,102.15 and 154,753.16

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Solution

The fourth proportional to 628,067.80, 942,102.15 and 154,753.16 is: 232,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,067.80 : 942,102.15 = 154,753.16 : x
  2. Step 2: Convert to fraction form
    628,067.80/942,102.15 = 154,753.16/x
  3. Step 3: Cross multiply
    628,067.80x = 942,102.15 × 154,753.16
  4. Step 4: Simplify right side
    628,067.80x = 145,793,284,755.29
  5. Step 5: Solve for x
    x = 145,793,284,755.29/628,067.80
  6. Step 6: Final answer
    x = 232,129.85

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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.