Home / 123,764.42-185,616.90-57,140.57

Finding the Fourth Proportional to 123,764.42, 185,616.90 and 57,140.57

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Solution

The fourth proportional to 123,764.42, 185,616.90 and 57,140.57 is: 85,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.42 : 185,616.90 = 57,140.57 : x
  2. Step 2: Convert to fraction form
    123,764.42/185,616.90 = 57,140.57/x
  3. Step 3: Cross multiply
    123,764.42x = 185,616.90 × 57,140.57
  4. Step 4: Simplify right side
    123,764.42x = 10,606,255,181.93
  5. Step 5: Solve for x
    x = 10,606,255,181.93/123,764.42
  6. Step 6: Final answer
    x = 85,697.13

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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.