Home / 122,560.98-169,104.33-71,544.65

Finding the Fourth Proportional to 122,560.98, 169,104.33 and 71,544.65

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Solution

The fourth proportional to 122,560.98, 169,104.33 and 71,544.65 is: 98,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,560.98 : 169,104.33 = 71,544.65 : x
  2. Step 2: Convert to fraction form
    122,560.98/169,104.33 = 71,544.65/x
  3. Step 3: Cross multiply
    122,560.98x = 169,104.33 × 71,544.65
  4. Step 4: Simplify right side
    122,560.98x = 12,098,509,257.81
  5. Step 5: Solve for x
    x = 12,098,509,257.81/122,560.98
  6. Step 6: Final answer
    x = 98,714.20

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1.5x scale

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.