Home / 103,707.16-155,553.22-40,515.42

Finding the Fourth Proportional to 103,707.16, 155,553.22 and 40,515.42

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Solution

The fourth proportional to 103,707.16, 155,553.22 and 40,515.42 is: 60,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,707.16 : 155,553.22 = 40,515.42 : x
  2. Step 2: Convert to fraction form
    103,707.16/155,553.22 = 40,515.42/x
  3. Step 3: Cross multiply
    103,707.16x = 155,553.22 × 40,515.42
  4. Step 4: Simplify right side
    103,707.16x = 6,302,304,040.65
  5. Step 5: Solve for x
    x = 6,302,304,040.65/103,707.16
  6. Step 6: Final answer
    x = 60,770.19

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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.