Home / 122,632.11-169,232.94-71,647.74

Finding the Fourth Proportional to 122,632.11, 169,232.94 and 71,647.74

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Solution

The fourth proportional to 122,632.11, 169,232.94 and 71,647.74 is: 98,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,632.11 : 169,232.94 = 71,647.74 : x
  2. Step 2: Convert to fraction form
    122,632.11/169,232.94 = 71,647.74/x
  3. Step 3: Cross multiply
    122,632.11x = 169,232.94 × 71,647.74
  4. Step 4: Simplify right side
    122,632.11x = 12,125,157,684.56
  5. Step 5: Solve for x
    x = 12,125,157,684.56/122,632.11
  6. Step 6: Final answer
    x = 98,874.25

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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.