Home / 113,053.05-169,571.34-45,589.64

Finding the Fourth Proportional to 113,053.05, 169,571.34 and 45,589.64

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Solution

The fourth proportional to 113,053.05, 169,571.34 and 45,589.64 is: 68,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,053.05 : 169,571.34 = 45,589.64 : x
  2. Step 2: Convert to fraction form
    113,053.05/169,571.34 = 45,589.64/x
  3. Step 3: Cross multiply
    113,053.05x = 169,571.34 × 45,589.64
  4. Step 4: Simplify right side
    113,053.05x = 7,730,695,497.06
  5. Step 5: Solve for x
    x = 7,730,695,497.06/113,053.05
  6. Step 6: Final answer
    x = 68,381.13

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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.