Home / 103,799.35-155,675.13-40,620.97

Finding the Fourth Proportional to 103,799.35, 155,675.13 and 40,620.97

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Solution

The fourth proportional to 103,799.35, 155,675.13 and 40,620.97 is: 60,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,799.35 : 155,675.13 = 40,620.97 : x
  2. Step 2: Convert to fraction form
    103,799.35/155,675.13 = 40,620.97/x
  3. Step 3: Cross multiply
    103,799.35x = 155,675.13 × 40,620.97
  4. Step 4: Simplify right side
    103,799.35x = 6,323,674,785.48
  5. Step 5: Solve for x
    x = 6,323,674,785.48/103,799.35
  6. Step 6: Final answer
    x = 60,922.10

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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.