Home / 79,153.65-109,231.25-43,344.18

Finding the Fourth Proportional to 79,153.65, 109,231.25 and 43,344.18

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Solution

The fourth proportional to 79,153.65, 109,231.25 and 43,344.18 is: 59,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,153.65 : 109,231.25 = 43,344.18 : x
  2. Step 2: Convert to fraction form
    79,153.65/109,231.25 = 43,344.18/x
  3. Step 3: Cross multiply
    79,153.65x = 109,231.25 × 43,344.18
  4. Step 4: Simplify right side
    79,153.65x = 4,734,538,744.90
  5. Step 5: Solve for x
    x = 4,734,538,744.90/79,153.65
  6. Step 6: Final answer
    x = 59,814.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.