Home / 136,398.74-204,375.63-83,696.90

Finding the Fourth Proportional to 136,398.74, 204,375.63 and 83,696.90

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Solution

The fourth proportional to 136,398.74, 204,375.63 and 83,696.90 is: 125,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,398.74 : 204,375.63 = 83,696.90 : x
  2. Step 2: Convert to fraction form
    136,398.74/204,375.63 = 83,696.90/x
  3. Step 3: Cross multiply
    136,398.74x = 204,375.63 × 83,696.90
  4. Step 4: Simplify right side
    136,398.74x = 17,105,606,666.55
  5. Step 5: Solve for x
    x = 17,105,606,666.55/136,398.74
  6. Step 6: Final answer
    x = 125,408.83

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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.