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Finding the Fourth Proportional to 169,517.34, 254,281.25 and 85,280.94

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Solution

The fourth proportional to 169,517.34, 254,281.25 and 85,280.94 is: 127,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,517.34 : 254,281.25 = 85,280.94 : x
  2. Step 2: Convert to fraction form
    169,517.34/254,281.25 = 85,280.94/x
  3. Step 3: Cross multiply
    169,517.34x = 254,281.25 × 85,280.94
  4. Step 4: Simplify right side
    169,517.34x = 21,685,343,597.97
  5. Step 5: Solve for x
    x = 21,685,343,597.97/169,517.34
  6. Step 6: Final answer
    x = 127,924.04

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1.5x scale

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.