Home / 120,411.12-166,176.72-66,701.25

Finding the Fourth Proportional to 120,411.12, 166,176.72 and 66,701.25

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Solution

The fourth proportional to 120,411.12, 166,176.72 and 66,701.25 is: 92,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,411.12 : 166,176.72 = 66,701.25 : x
  2. Step 2: Convert to fraction form
    120,411.12/166,176.72 = 66,701.25/x
  3. Step 3: Cross multiply
    120,411.12x = 166,176.72 × 66,701.25
  4. Step 4: Simplify right side
    120,411.12x = 11,084,194,944.90
  5. Step 5: Solve for x
    x = 11,084,194,944.90/120,411.12
  6. Step 6: Final answer
    x = 92,052.92

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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.