Home / 140,153.80-210,207.96-40,291.24

Finding the Fourth Proportional to 140,153.80, 210,207.96 and 40,291.24

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Solution

The fourth proportional to 140,153.80, 210,207.96 and 40,291.24 is: 60,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153.80 : 210,207.96 = 40,291.24 : x
  2. Step 2: Convert to fraction form
    140,153.80/210,207.96 = 40,291.24/x
  3. Step 3: Cross multiply
    140,153.80x = 210,207.96 × 40,291.24
  4. Step 4: Simplify right side
    140,153.80x = 8,469,539,366.27
  5. Step 5: Solve for x
    x = 8,469,539,366.27/140,153.80
  6. Step 6: Final answer
    x = 60,430.32

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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.