Home / 122,976.57-169,708.23-69,262.50

Finding the Fourth Proportional to 122,976.57, 169,708.23 and 69,262.50

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Solution

The fourth proportional to 122,976.57, 169,708.23 and 69,262.50 is: 95,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.57 : 169,708.23 = 69,262.50 : x
  2. Step 2: Convert to fraction form
    122,976.57/169,708.23 = 69,262.50/x
  3. Step 3: Cross multiply
    122,976.57x = 169,708.23 × 69,262.50
  4. Step 4: Simplify right side
    122,976.57x = 11,754,416,280.38
  5. Step 5: Solve for x
    x = 11,754,416,280.38/122,976.57
  6. Step 6: Final answer
    x = 95,582.57

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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.