Home / 103,538.32-155,277.44-40,344.35

Finding the Fourth Proportional to 103,538.32, 155,277.44 and 40,344.35

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Solution

The fourth proportional to 103,538.32, 155,277.44 and 40,344.35 is: 60,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538.32 : 155,277.44 = 40,344.35 : x
  2. Step 2: Convert to fraction form
    103,538.32/155,277.44 = 40,344.35/x
  3. Step 3: Cross multiply
    103,538.32x = 155,277.44 × 40,344.35
  4. Step 4: Simplify right side
    103,538.32x = 6,264,566,559.65
  5. Step 5: Solve for x
    x = 6,264,566,559.65/103,538.32
  6. Step 6: Final answer
    x = 60,504.81

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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.