Home / 140,001.26-209,958.75-40,134.74

Finding the Fourth Proportional to 140,001.26, 209,958.75 and 40,134.74

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Solution

The fourth proportional to 140,001.26, 209,958.75 and 40,134.74 is: 60,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.26 : 209,958.75 = 40,134.74 : x
  2. Step 2: Convert to fraction form
    140,001.26/209,958.75 = 40,134.74/x
  3. Step 3: Cross multiply
    140,001.26x = 209,958.75 × 40,134.74
  4. Step 4: Simplify right side
    140,001.26x = 8,426,638,792.18
  5. Step 5: Solve for x
    x = 8,426,638,792.18/140,001.26
  6. Step 6: Final answer
    x = 60,189.74

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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.