Home / 123,763.19-185,395.10-57,110.72

Finding the Fourth Proportional to 123,763.19, 185,395.10 and 57,110.72

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Solution

The fourth proportional to 123,763.19, 185,395.10 and 57,110.72 is: 85,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763.19 : 185,395.10 = 57,110.72 : x
  2. Step 2: Convert to fraction form
    123,763.19/185,395.10 = 57,110.72/x
  3. Step 3: Cross multiply
    123,763.19x = 185,395.10 × 57,110.72
  4. Step 4: Simplify right side
    123,763.19x = 10,588,046,432.94
  5. Step 5: Solve for x
    x = 10,588,046,432.94/123,763.19
  6. Step 6: Final answer
    x = 85,550.86

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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.