Home / 141,279.56-211,930.19-40,075.88

Finding the Fourth Proportional to 141,279.56, 211,930.19 and 40,075.88

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Solution

The fourth proportional to 141,279.56, 211,930.19 and 40,075.88 is: 60,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,279.56 : 211,930.19 = 40,075.88 : x
  2. Step 2: Convert to fraction form
    141,279.56/211,930.19 = 40,075.88/x
  3. Step 3: Cross multiply
    141,279.56x = 211,930.19 × 40,075.88
  4. Step 4: Simplify right side
    141,279.56x = 8,493,287,602.79
  5. Step 5: Solve for x
    x = 8,493,287,602.79/141,279.56
  6. Step 6: Final answer
    x = 60,116.89

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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.