Home / 120,632.30-166,459.13-66,903.85

Finding the Fourth Proportional to 120,632.30, 166,459.13 and 66,903.85

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Solution

The fourth proportional to 120,632.30, 166,459.13 and 66,903.85 is: 92,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,632.30 : 166,459.13 = 66,903.85 : x
  2. Step 2: Convert to fraction form
    120,632.30/166,459.13 = 66,903.85/x
  3. Step 3: Cross multiply
    120,632.30x = 166,459.13 × 66,903.85
  4. Step 4: Simplify right side
    120,632.30x = 11,136,756,664.65
  5. Step 5: Solve for x
    x = 11,136,756,664.65/120,632.30
  6. Step 6: Final answer
    x = 92,319.86

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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.