Home / 136,159.71-204,245.03-47,422.18

Finding the Fourth Proportional to 136,159.71, 204,245.03 and 47,422.18

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Solution

The fourth proportional to 136,159.71, 204,245.03 and 47,422.18 is: 71,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,159.71 : 204,245.03 = 47,422.18 : x
  2. Step 2: Convert to fraction form
    136,159.71/204,245.03 = 47,422.18/x
  3. Step 3: Cross multiply
    136,159.71x = 204,245.03 × 47,422.18
  4. Step 4: Simplify right side
    136,159.71x = 9,685,744,576.77
  5. Step 5: Solve for x
    x = 9,685,744,576.77/136,159.71
  6. Step 6: Final answer
    x = 71,135.17

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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.