Home / 120,597.07-166,433.92-66,899.40

Finding the Fourth Proportional to 120,597.07, 166,433.92 and 66,899.40

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Solution

The fourth proportional to 120,597.07, 166,433.92 and 66,899.40 is: 92,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,597.07 : 166,433.92 = 66,899.40 : x
  2. Step 2: Convert to fraction form
    120,597.07/166,433.92 = 66,899.40/x
  3. Step 3: Cross multiply
    120,597.07x = 166,433.92 × 66,899.40
  4. Step 4: Simplify right side
    120,597.07x = 11,134,329,387.65
  5. Step 5: Solve for x
    x = 11,134,329,387.65/120,597.07
  6. Step 6: Final answer
    x = 92,326.70

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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.