Home / 97,245.86-145,868.82-30,691.18

Finding the Fourth Proportional to 97,245.86, 145,868.82 and 30,691.18

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Solution

The fourth proportional to 97,245.86, 145,868.82 and 30,691.18 is: 46,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,245.86 : 145,868.82 = 30,691.18 : x
  2. Step 2: Convert to fraction form
    97,245.86/145,868.82 = 30,691.18/x
  3. Step 3: Cross multiply
    97,245.86x = 145,868.82 × 30,691.18
  4. Step 4: Simplify right side
    97,245.86x = 4,476,886,211.01
  5. Step 5: Solve for x
    x = 4,476,886,211.01/97,245.86
  6. Step 6: Final answer
    x = 46,036.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.