Home / 155,939.40-234,024.30-103,331.40

Finding the Fourth Proportional to 155,939.40, 234,024.30 and 103,331.40

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Solution

The fourth proportional to 155,939.40, 234,024.30 and 103,331.40 is: 155,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,939.40 : 234,024.30 = 103,331.40 : x
  2. Step 2: Convert to fraction form
    155,939.40/234,024.30 = 103,331.40/x
  3. Step 3: Cross multiply
    155,939.40x = 234,024.30 × 103,331.40
  4. Step 4: Simplify right side
    155,939.40x = 24,182,058,553.02
  5. Step 5: Solve for x
    x = 24,182,058,553.02/155,939.40
  6. Step 6: Final answer
    x = 155,073.44

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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.