Home / 122,970.06-169,708.56-69,251.88

Finding the Fourth Proportional to 122,970.06, 169,708.56 and 69,251.88

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Solution

The fourth proportional to 122,970.06, 169,708.56 and 69,251.88 is: 95,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970.06 : 169,708.56 = 69,251.88 : x
  2. Step 2: Convert to fraction form
    122,970.06/169,708.56 = 69,251.88/x
  3. Step 3: Cross multiply
    122,970.06x = 169,708.56 × 69,251.88
  4. Step 4: Simplify right side
    122,970.06x = 11,752,636,832.09
  5. Step 5: Solve for x
    x = 11,752,636,832.09/122,970.06
  6. Step 6: Final answer
    x = 95,573.16

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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.