Home / 91,418.46-126,144.87-51,130.14

Finding the Fourth Proportional to 91,418.46, 126,144.87 and 51,130.14

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Solution

The fourth proportional to 91,418.46, 126,144.87 and 51,130.14 is: 70,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,418.46 : 126,144.87 = 51,130.14 : x
  2. Step 2: Convert to fraction form
    91,418.46/126,144.87 = 51,130.14/x
  3. Step 3: Cross multiply
    91,418.46x = 126,144.87 × 51,130.14
  4. Step 4: Simplify right side
    91,418.46x = 6,449,804,863.38
  5. Step 5: Solve for x
    x = 6,449,804,863.38/91,418.46
  6. Step 6: Final answer
    x = 70,552.54

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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.