Home / 140,447.88-210,640.96-40,586.36

Finding the Fourth Proportional to 140,447.88, 210,640.96 and 40,586.36

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Solution

The fourth proportional to 140,447.88, 210,640.96 and 40,586.36 is: 60,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,447.88 : 210,640.96 = 40,586.36 : x
  2. Step 2: Convert to fraction form
    140,447.88/210,640.96 = 40,586.36/x
  3. Step 3: Cross multiply
    140,447.88x = 210,640.96 × 40,586.36
  4. Step 4: Simplify right side
    140,447.88x = 8,549,149,833.31
  5. Step 5: Solve for x
    x = 8,549,149,833.31/140,447.88
  6. Step 6: Final answer
    x = 60,870.62

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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.