Home / 91,391.07-137,035.69-28,193.27

Finding the Fourth Proportional to 91,391.07, 137,035.69 and 28,193.27

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Solution

The fourth proportional to 91,391.07, 137,035.69 and 28,193.27 is: 42,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,391.07 : 137,035.69 = 28,193.27 : x
  2. Step 2: Convert to fraction form
    91,391.07/137,035.69 = 28,193.27/x
  3. Step 3: Cross multiply
    91,391.07x = 137,035.69 × 28,193.27
  4. Step 4: Simplify right side
    91,391.07x = 3,863,483,452.14
  5. Step 5: Solve for x
    x = 3,863,483,452.14/91,391.07
  6. Step 6: Final answer
    x = 42,274.19

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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.