Home / 103,621.60-155,514.41-40,471.98

Finding the Fourth Proportional to 103,621.60, 155,514.41 and 40,471.98

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Solution

The fourth proportional to 103,621.60, 155,514.41 and 40,471.98 is: 60,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.60 : 155,514.41 = 40,471.98 : x
  2. Step 2: Convert to fraction form
    103,621.60/155,514.41 = 40,471.98/x
  3. Step 3: Cross multiply
    103,621.60x = 155,514.41 × 40,471.98
  4. Step 4: Simplify right side
    103,621.60x = 6,293,976,091.23
  5. Step 5: Solve for x
    x = 6,293,976,091.23/103,621.60
  6. Step 6: Final answer
    x = 60,740.00

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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.