Home / 140,085.70-209,940.36-131,117.92

Finding the Fourth Proportional to 140,085.70, 209,940.36 and 131,117.92

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Solution

The fourth proportional to 140,085.70, 209,940.36 and 131,117.92 is: 196,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,085.70 : 209,940.36 = 131,117.92 : x
  2. Step 2: Convert to fraction form
    140,085.70/209,940.36 = 131,117.92/x
  3. Step 3: Cross multiply
    140,085.70x = 209,940.36 × 131,117.92
  4. Step 4: Simplify right side
    140,085.70x = 27,526,943,327.25
  5. Step 5: Solve for x
    x = 27,526,943,327.25/140,085.70
  6. Step 6: Final answer
    x = 196,500.74

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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.