Home / 147,306.44-203,284.28-83,645.57

Finding the Fourth Proportional to 147,306.44, 203,284.28 and 83,645.57

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Solution

The fourth proportional to 147,306.44, 203,284.28 and 83,645.57 is: 115,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,306.44 : 203,284.28 = 83,645.57 : x
  2. Step 2: Convert to fraction form
    147,306.44/203,284.28 = 83,645.57/x
  3. Step 3: Cross multiply
    147,306.44x = 203,284.28 × 83,645.57
  4. Step 4: Simplify right side
    147,306.44x = 17,003,829,472.64
  5. Step 5: Solve for x
    x = 17,003,829,472.64/147,306.44
  6. Step 6: Final answer
    x = 115,431.68

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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.