Home / 112,889.78-169,389.69-49,701.88

Finding the Fourth Proportional to 112,889.78, 169,389.69 and 49,701.88

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Solution

The fourth proportional to 112,889.78, 169,389.69 and 49,701.88 is: 74,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.78 : 169,389.69 = 49,701.88 : x
  2. Step 2: Convert to fraction form
    112,889.78/169,389.69 = 49,701.88/x
  3. Step 3: Cross multiply
    112,889.78x = 169,389.69 × 49,701.88
  4. Step 4: Simplify right side
    112,889.78x = 8,418,986,045.62
  5. Step 5: Solve for x
    x = 8,418,986,045.62/112,889.78
  6. Step 6: Final answer
    x = 74,577.04

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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.