Home / 120,307.34-166,020.39-69,320.17

Finding the Fourth Proportional to 120,307.34, 166,020.39 and 69,320.17

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Solution

The fourth proportional to 120,307.34, 166,020.39 and 69,320.17 is: 95,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,307.34 : 166,020.39 = 69,320.17 : x
  2. Step 2: Convert to fraction form
    120,307.34/166,020.39 = 69,320.17/x
  3. Step 3: Cross multiply
    120,307.34x = 166,020.39 × 69,320.17
  4. Step 4: Simplify right side
    120,307.34x = 11,508,561,658.27
  5. Step 5: Solve for x
    x = 11,508,561,658.27/120,307.34
  6. Step 6: Final answer
    x = 95,659.68

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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.