Home / 113,234.80-169,868.40-34,355.20

Finding the Fourth Proportional to 113,234.80, 169,868.40 and 34,355.20

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Solution

The fourth proportional to 113,234.80, 169,868.40 and 34,355.20 is: 51,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,234.80 : 169,868.40 = 34,355.20 : x
  2. Step 2: Convert to fraction form
    113,234.80/169,868.40 = 34,355.20/x
  3. Step 3: Cross multiply
    113,234.80x = 169,868.40 × 34,355.20
  4. Step 4: Simplify right side
    113,234.80x = 5,835,862,855.68
  5. Step 5: Solve for x
    x = 5,835,862,855.68/113,234.80
  6. Step 6: Final answer
    x = 51,537.72

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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.