Home / 120,647.85-166,513.92-66,950.15

Finding the Fourth Proportional to 120,647.85, 166,513.92 and 66,950.15

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Solution

The fourth proportional to 120,647.85, 166,513.92 and 66,950.15 is: 92,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,647.85 : 166,513.92 = 66,950.15 : x
  2. Step 2: Convert to fraction form
    120,647.85/166,513.92 = 66,950.15/x
  3. Step 3: Cross multiply
    120,647.85x = 166,513.92 × 66,950.15
  4. Step 4: Simplify right side
    120,647.85x = 11,148,131,088.52
  5. Step 5: Solve for x
    x = 11,148,131,088.52/120,647.85
  6. Step 6: Final answer
    x = 92,402.24

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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.