Home / 120,887.19-166,816.67-67,169.07

Finding the Fourth Proportional to 120,887.19, 166,816.67 and 67,169.07

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Solution

The fourth proportional to 120,887.19, 166,816.67 and 67,169.07 is: 92,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887.19 : 166,816.67 = 67,169.07 : x
  2. Step 2: Convert to fraction form
    120,887.19/166,816.67 = 67,169.07/x
  3. Step 3: Cross multiply
    120,887.19x = 166,816.67 × 67,169.07
  4. Step 4: Simplify right side
    120,887.19x = 11,204,920,248.55
  5. Step 5: Solve for x
    x = 11,204,920,248.55/120,887.19
  6. Step 6: Final answer
    x = 92,689.06

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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.