Home / 169,150.29-253,681.70-80,226.87

Finding the Fourth Proportional to 169,150.29, 253,681.70 and 80,226.87

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Solution

The fourth proportional to 169,150.29, 253,681.70 and 80,226.87 is: 120,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,150.29 : 253,681.70 = 80,226.87 : x
  2. Step 2: Convert to fraction form
    169,150.29/253,681.70 = 80,226.87/x
  3. Step 3: Cross multiply
    169,150.29x = 253,681.70 × 80,226.87
  4. Step 4: Simplify right side
    169,150.29x = 20,352,088,366.14
  5. Step 5: Solve for x
    x = 20,352,088,366.14/169,150.29
  6. Step 6: Final answer
    x = 120,319.56

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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.