Home / 120,931.65-166,882.08-69,247.02

Finding the Fourth Proportional to 120,931.65, 166,882.08 and 69,247.02

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Solution

The fourth proportional to 120,931.65, 166,882.08 and 69,247.02 is: 95,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,931.65 : 166,882.08 = 69,247.02 : x
  2. Step 2: Convert to fraction form
    120,931.65/166,882.08 = 69,247.02/x
  3. Step 3: Cross multiply
    120,931.65x = 166,882.08 × 69,247.02
  4. Step 4: Simplify right side
    120,931.65x = 11,556,086,731.40
  5. Step 5: Solve for x
    x = 11,556,086,731.40/120,931.65
  6. Step 6: Final answer
    x = 95,558.83

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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.