Home / 140,818.72-211,227.90-47,390.08

Finding the Fourth Proportional to 140,818.72, 211,227.90 and 47,390.08

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Solution

The fourth proportional to 140,818.72, 211,227.90 and 47,390.08 is: 71,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,818.72 : 211,227.90 = 47,390.08 : x
  2. Step 2: Convert to fraction form
    140,818.72/211,227.90 = 47,390.08/x
  3. Step 3: Cross multiply
    140,818.72x = 211,227.90 × 47,390.08
  4. Step 4: Simplify right side
    140,818.72x = 10,010,107,079.23
  5. Step 5: Solve for x
    x = 10,010,107,079.23/140,818.72
  6. Step 6: Final answer
    x = 71,085.06

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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.