Home / 91,671.67-137,507.62-25,112.38

Finding the Fourth Proportional to 91,671.67, 137,507.62 and 25,112.38

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Solution

The fourth proportional to 91,671.67, 137,507.62 and 25,112.38 is: 37,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,671.67 : 137,507.62 = 25,112.38 : x
  2. Step 2: Convert to fraction form
    91,671.67/137,507.62 = 25,112.38/x
  3. Step 3: Cross multiply
    91,671.67x = 137,507.62 × 25,112.38
  4. Step 4: Simplify right side
    91,671.67x = 3,453,143,199.79
  5. Step 5: Solve for x
    x = 3,453,143,199.79/91,671.67
  6. Step 6: Final answer
    x = 37,668.60

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1.5x scale

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.