Home / 103,343.65-155,021.26-32,276.10

Finding the Fourth Proportional to 103,343.65, 155,021.26 and 32,276.10

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Solution

The fourth proportional to 103,343.65, 155,021.26 and 32,276.10 is: 48,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,343.65 : 155,021.26 = 32,276.10 : x
  2. Step 2: Convert to fraction form
    103,343.65/155,021.26 = 32,276.10/x
  3. Step 3: Cross multiply
    103,343.65x = 155,021.26 × 32,276.10
  4. Step 4: Simplify right side
    103,343.65x = 5,003,482,251.04
  5. Step 5: Solve for x
    x = 5,003,482,251.04/103,343.65
  6. Step 6: Final answer
    x = 48,415.96

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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.