Home / 282,863.12-424,234.98-83,129.30

Finding the Fourth Proportional to 282,863.12, 424,234.98 and 83,129.30

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Solution

The fourth proportional to 282,863.12, 424,234.98 and 83,129.30 is: 124,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,863.12 : 424,234.98 = 83,129.30 : x
  2. Step 2: Convert to fraction form
    282,863.12/424,234.98 = 83,129.30/x
  3. Step 3: Cross multiply
    282,863.12x = 424,234.98 × 83,129.30
  4. Step 4: Simplify right side
    282,863.12x = 35,266,356,922.91
  5. Step 5: Solve for x
    x = 35,266,356,922.91/282,863.12
  6. Step 6: Final answer
    x = 124,676.41

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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.