Home / 140,095.12-210,207.48-76,074.36

Finding the Fourth Proportional to 140,095.12, 210,207.48 and 76,074.36

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Solution

The fourth proportional to 140,095.12, 210,207.48 and 76,074.36 is: 114,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.12 : 210,207.48 = 76,074.36 : x
  2. Step 2: Convert to fraction form
    140,095.12/210,207.48 = 76,074.36/x
  3. Step 3: Cross multiply
    140,095.12x = 210,207.48 × 76,074.36
  4. Step 4: Simplify right side
    140,095.12x = 15,991,399,508.21
  5. Step 5: Solve for x
    x = 15,991,399,508.21/140,095.12
  6. Step 6: Final answer
    x = 114,146.73

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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.