Home / 122,830.89-169,505.53-69,114.83

Finding the Fourth Proportional to 122,830.89, 169,505.53 and 69,114.83

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Solution

The fourth proportional to 122,830.89, 169,505.53 and 69,114.83 is: 95,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,830.89 : 169,505.53 = 69,114.83 : x
  2. Step 2: Convert to fraction form
    122,830.89/169,505.53 = 69,114.83/x
  3. Step 3: Cross multiply
    122,830.89x = 169,505.53 × 69,114.83
  4. Step 4: Simplify right side
    122,830.89x = 11,715,345,890.01
  5. Step 5: Solve for x
    x = 11,715,345,890.01/122,830.89
  6. Step 6: Final answer
    x = 95,377.85

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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.