Home / 112,553.30-155,317.20-61,555.88

Finding the Fourth Proportional to 112,553.30, 155,317.20 and 61,555.88

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Solution

The fourth proportional to 112,553.30, 155,317.20 and 61,555.88 is: 84,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,553.30 : 155,317.20 = 61,555.88 : x
  2. Step 2: Convert to fraction form
    112,553.30/155,317.20 = 61,555.88/x
  3. Step 3: Cross multiply
    112,553.30x = 155,317.20 × 61,555.88
  4. Step 4: Simplify right side
    112,553.30x = 9,560,686,925.14
  5. Step 5: Solve for x
    x = 9,560,686,925.14/112,553.30
  6. Step 6: Final answer
    x = 84,943.64

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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.