Home / 112,729.21-155,566.52-61,046.17

Finding the Fourth Proportional to 112,729.21, 155,566.52 and 61,046.17

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Solution

The fourth proportional to 112,729.21, 155,566.52 and 61,046.17 is: 84,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,729.21 : 155,566.52 = 61,046.17 : x
  2. Step 2: Convert to fraction form
    112,729.21/155,566.52 = 61,046.17/x
  3. Step 3: Cross multiply
    112,729.21x = 155,566.52 × 61,046.17
  4. Step 4: Simplify right side
    112,729.21x = 9,496,739,761.00
  5. Step 5: Solve for x
    x = 9,496,739,761.00/112,729.21
  6. Step 6: Final answer
    x = 84,243.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.