Home / 141,068.96-211,635.65-61,120.20

Finding the Fourth Proportional to 141,068.96, 211,635.65 and 61,120.20

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Solution

The fourth proportional to 141,068.96, 211,635.65 and 61,120.20 is: 91,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,068.96 : 211,635.65 = 61,120.20 : x
  2. Step 2: Convert to fraction form
    141,068.96/211,635.65 = 61,120.20/x
  3. Step 3: Cross multiply
    141,068.96x = 211,635.65 × 61,120.20
  4. Step 4: Simplify right side
    141,068.96x = 12,935,214,201.56
  5. Step 5: Solve for x
    x = 12,935,214,201.56/141,068.96
  6. Step 6: Final answer
    x = 91,694.26

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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.