Home / 115,348.46-159,259.56-74,611.31

Finding the Fourth Proportional to 115,348.46, 159,259.56 and 74,611.31

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Solution

The fourth proportional to 115,348.46, 159,259.56 and 74,611.31 is: 103,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348.46 : 159,259.56 = 74,611.31 : x
  2. Step 2: Convert to fraction form
    115,348.46/159,259.56 = 74,611.31/x
  3. Step 3: Cross multiply
    115,348.46x = 159,259.56 × 74,611.31
  4. Step 4: Simplify right side
    115,348.46x = 11,882,564,401.62
  5. Step 5: Solve for x
    x = 11,882,564,401.62/115,348.46
  6. Step 6: Final answer
    x = 103,014.50

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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.