Home / 189,344.94-261,319.14-108,772.29

Finding the Fourth Proportional to 189,344.94, 261,319.14 and 108,772.29

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Solution

The fourth proportional to 189,344.94, 261,319.14 and 108,772.29 is: 150,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,344.94 : 261,319.14 = 108,772.29 : x
  2. Step 2: Convert to fraction form
    189,344.94/261,319.14 = 108,772.29/x
  3. Step 3: Cross multiply
    189,344.94x = 261,319.14 × 108,772.29
  4. Step 4: Simplify right side
    189,344.94x = 28,424,281,278.63
  5. Step 5: Solve for x
    x = 28,424,281,278.63/189,344.94
  6. Step 6: Final answer
    x = 150,119.05

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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.