Home / 72,224.20-108,125.49-42,146.27

Finding the Fourth Proportional to 72,224.20, 108,125.49 and 42,146.27

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Solution

The fourth proportional to 72,224.20, 108,125.49 and 42,146.27 is: 63,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224.20 : 108,125.49 = 42,146.27 : x
  2. Step 2: Convert to fraction form
    72,224.20/108,125.49 = 42,146.27/x
  3. Step 3: Cross multiply
    72,224.20x = 108,125.49 × 42,146.27
  4. Step 4: Simplify right side
    72,224.20x = 4,557,085,554.79
  5. Step 5: Solve for x
    x = 4,557,085,554.79/72,224.20
  6. Step 6: Final answer
    x = 63,096.38

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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.