Home / 141,965.91-213,080.09-71,894.43

Finding the Fourth Proportional to 141,965.91, 213,080.09 and 71,894.43

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Solution

The fourth proportional to 141,965.91, 213,080.09 and 71,894.43 is: 107,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,965.91 : 213,080.09 = 71,894.43 : x
  2. Step 2: Convert to fraction form
    141,965.91/213,080.09 = 71,894.43/x
  3. Step 3: Cross multiply
    141,965.91x = 213,080.09 × 71,894.43
  4. Step 4: Simplify right side
    141,965.91x = 15,319,271,255.43
  5. Step 5: Solve for x
    x = 15,319,271,255.43/141,965.91
  6. Step 6: Final answer
    x = 107,908.10

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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.