Home / 120,625.16-166,470.24-69,647.21

Finding the Fourth Proportional to 120,625.16, 166,470.24 and 69,647.21

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Solution

The fourth proportional to 120,625.16, 166,470.24 and 69,647.21 is: 96,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,625.16 : 166,470.24 = 69,647.21 : x
  2. Step 2: Convert to fraction form
    120,625.16/166,470.24 = 69,647.21/x
  3. Step 3: Cross multiply
    120,625.16x = 166,470.24 × 69,647.21
  4. Step 4: Simplify right side
    120,625.16x = 11,594,186,931.68
  5. Step 5: Solve for x
    x = 11,594,186,931.68/120,625.16
  6. Step 6: Final answer
    x = 96,117.49

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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.