Home / 141,827.30-195,719.15-77,297.12

Finding the Fourth Proportional to 141,827.30, 195,719.15 and 77,297.12

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Solution

The fourth proportional to 141,827.30, 195,719.15 and 77,297.12 is: 106,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,827.30 : 195,719.15 = 77,297.12 : x
  2. Step 2: Convert to fraction form
    141,827.30/195,719.15 = 77,297.12/x
  3. Step 3: Cross multiply
    141,827.30x = 195,719.15 × 77,297.12
  4. Step 4: Simplify right side
    141,827.30x = 15,128,526,237.36
  5. Step 5: Solve for x
    x = 15,128,526,237.36/141,827.30
  6. Step 6: Final answer
    x = 106,668.65

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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.