Home / 91,084.26-125,648.51-74,107.47

Finding the Fourth Proportional to 91,084.26, 125,648.51 and 74,107.47

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Solution

The fourth proportional to 91,084.26, 125,648.51 and 74,107.47 is: 102,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,084.26 : 125,648.51 = 74,107.47 : x
  2. Step 2: Convert to fraction form
    91,084.26/125,648.51 = 74,107.47/x
  3. Step 3: Cross multiply
    91,084.26x = 125,648.51 × 74,107.47
  4. Step 4: Simplify right side
    91,084.26x = 9,311,492,814.83
  5. Step 5: Solve for x
    x = 9,311,492,814.83/91,084.26
  6. Step 6: Final answer
    x = 102,229.44

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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.