Home / 122,645.28-169,252.01-74,246.56

Finding the Fourth Proportional to 122,645.28, 169,252.01 and 74,246.56

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Solution

The fourth proportional to 122,645.28, 169,252.01 and 74,246.56 is: 102,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,645.28 : 169,252.01 = 74,246.56 : x
  2. Step 2: Convert to fraction form
    122,645.28/169,252.01 = 74,246.56/x
  3. Step 3: Cross multiply
    122,645.28x = 169,252.01 × 74,246.56
  4. Step 4: Simplify right side
    122,645.28x = 12,566,379,144.35
  5. Step 5: Solve for x
    x = 12,566,379,144.35/122,645.28
  6. Step 6: Final answer
    x = 102,461.18

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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.