Home / 103,665.42-155,399.61-40,526.04

Finding the Fourth Proportional to 103,665.42, 155,399.61 and 40,526.04

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Solution

The fourth proportional to 103,665.42, 155,399.61 and 40,526.04 is: 60,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.42 : 155,399.61 = 40,526.04 : x
  2. Step 2: Convert to fraction form
    103,665.42/155,399.61 = 40,526.04/x
  3. Step 3: Cross multiply
    103,665.42x = 155,399.61 × 40,526.04
  4. Step 4: Simplify right side
    103,665.42x = 6,297,730,810.84
  5. Step 5: Solve for x
    x = 6,297,730,810.84/103,665.42
  6. Step 6: Final answer
    x = 60,750.55

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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.