Home / 109,675.30-151,350.64-61,930.66

Finding the Fourth Proportional to 109,675.30, 151,350.64 and 61,930.66

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Solution

The fourth proportional to 109,675.30, 151,350.64 and 61,930.66 is: 85,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.30 : 151,350.64 = 61,930.66 : x
  2. Step 2: Convert to fraction form
    109,675.30/151,350.64 = 61,930.66/x
  3. Step 3: Cross multiply
    109,675.30x = 151,350.64 × 61,930.66
  4. Step 4: Simplify right side
    109,675.30x = 9,373,244,493.42
  5. Step 5: Solve for x
    x = 9,373,244,493.42/109,675.30
  6. Step 6: Final answer
    x = 85,463.59

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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.