Home / 140,029.32-209,981.88-40,166.76

Finding the Fourth Proportional to 140,029.32, 209,981.88 and 40,166.76

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Solution

The fourth proportional to 140,029.32, 209,981.88 and 40,166.76 is: 60,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,029.32 : 209,981.88 = 40,166.76 : x
  2. Step 2: Convert to fraction form
    140,029.32/209,981.88 = 40,166.76/x
  3. Step 3: Cross multiply
    140,029.32x = 209,981.88 × 40,166.76
  4. Step 4: Simplify right side
    140,029.32x = 8,434,291,778.31
  5. Step 5: Solve for x
    x = 8,434,291,778.31/140,029.32
  6. Step 6: Final answer
    x = 60,232.33

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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.