Home / 95,371.49-143,058.60-28,812.20

Finding the Fourth Proportional to 95,371.49, 143,058.60 and 28,812.20

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Solution

The fourth proportional to 95,371.49, 143,058.60 and 28,812.20 is: 43,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,371.49 : 143,058.60 = 28,812.20 : x
  2. Step 2: Convert to fraction form
    95,371.49/143,058.60 = 28,812.20/x
  3. Step 3: Cross multiply
    95,371.49x = 143,058.60 × 28,812.20
  4. Step 4: Simplify right side
    95,371.49x = 4,121,832,279.63
  5. Step 5: Solve for x
    x = 4,121,832,279.63/95,371.49
  6. Step 6: Final answer
    x = 43,218.70

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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.