Home / 122,144.80-182,808.96-69,540.16

Finding the Fourth Proportional to 122,144.80, 182,808.96 and 69,540.16

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Solution

The fourth proportional to 122,144.80, 182,808.96 and 69,540.16 is: 104,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,144.80 : 182,808.96 = 69,540.16 : x
  2. Step 2: Convert to fraction form
    122,144.80/182,808.96 = 69,540.16/x
  3. Step 3: Cross multiply
    122,144.80x = 182,808.96 × 69,540.16
  4. Step 4: Simplify right side
    122,144.80x = 12,712,564,327.83
  5. Step 5: Solve for x
    x = 12,712,564,327.83/122,144.80
  6. Step 6: Final answer
    x = 104,077.82

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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.