Home / 140,084.70-209,938.86-131,116.92

Finding the Fourth Proportional to 140,084.70, 209,938.86 and 131,116.92

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Solution

The fourth proportional to 140,084.70, 209,938.86 and 131,116.92 is: 196,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.70 : 209,938.86 = 131,116.92 : x
  2. Step 2: Convert to fraction form
    140,084.70/209,938.86 = 131,116.92/x
  3. Step 3: Cross multiply
    140,084.70x = 209,938.86 × 131,116.92
  4. Step 4: Simplify right side
    140,084.70x = 27,526,536,711.51
  5. Step 5: Solve for x
    x = 27,526,536,711.51/140,084.70
  6. Step 6: Final answer
    x = 196,499.24

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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.