Home / 91,948.40-137,922.56-29,618.90

Finding the Fourth Proportional to 91,948.40, 137,922.56 and 29,618.90

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Solution

The fourth proportional to 91,948.40, 137,922.56 and 29,618.90 is: 44,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.40 : 137,922.56 = 29,618.90 : x
  2. Step 2: Convert to fraction form
    91,948.40/137,922.56 = 29,618.90/x
  3. Step 3: Cross multiply
    91,948.40x = 137,922.56 × 29,618.90
  4. Step 4: Simplify right side
    91,948.40x = 4,085,114,512.38
  5. Step 5: Solve for x
    x = 4,085,114,512.38/91,948.40
  6. Step 6: Final answer
    x = 44,428.34

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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.