Home / 232,456.19-348,548.79-90,135.20

Finding the Fourth Proportional to 232,456.19, 348,548.79 and 90,135.20

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Solution

The fourth proportional to 232,456.19, 348,548.79 and 90,135.20 is: 135,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,456.19 : 348,548.79 = 90,135.20 : x
  2. Step 2: Convert to fraction form
    232,456.19/348,548.79 = 90,135.20/x
  3. Step 3: Cross multiply
    232,456.19x = 348,548.79 × 90,135.20
  4. Step 4: Simplify right side
    232,456.19x = 31,416,514,896.41
  5. Step 5: Solve for x
    x = 31,416,514,896.41/232,456.19
  6. Step 6: Final answer
    x = 135,150.26

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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.