Home / 140,514.03-210,782.04-40,675.72

Finding the Fourth Proportional to 140,514.03, 210,782.04 and 40,675.72

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Solution

The fourth proportional to 140,514.03, 210,782.04 and 40,675.72 is: 61,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,514.03 : 210,782.04 = 40,675.72 : x
  2. Step 2: Convert to fraction form
    140,514.03/210,782.04 = 40,675.72/x
  3. Step 3: Cross multiply
    140,514.03x = 210,782.04 × 40,675.72
  4. Step 4: Simplify right side
    140,514.03x = 8,573,711,240.07
  5. Step 5: Solve for x
    x = 8,573,711,240.07/140,514.03
  6. Step 6: Final answer
    x = 61,016.76

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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.