Home / 140,005.03-209,987.88-40,173.73

Finding the Fourth Proportional to 140,005.03, 209,987.88 and 40,173.73

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Solution

The fourth proportional to 140,005.03, 209,987.88 and 40,173.73 is: 60,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,005.03 : 209,987.88 = 40,173.73 : x
  2. Step 2: Convert to fraction form
    140,005.03/209,987.88 = 40,173.73/x
  3. Step 3: Cross multiply
    140,005.03x = 209,987.88 × 40,173.73
  4. Step 4: Simplify right side
    140,005.03x = 8,435,996,394.39
  5. Step 5: Solve for x
    x = 8,435,996,394.39/140,005.03
  6. Step 6: Final answer
    x = 60,254.95

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1.5x scale

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.