Home / 140,062.24-209,975.88-61,116.40

Finding the Fourth Proportional to 140,062.24, 209,975.88 and 61,116.40

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Solution

The fourth proportional to 140,062.24, 209,975.88 and 61,116.40 is: 91,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,062.24 : 209,975.88 = 61,116.40 : x
  2. Step 2: Convert to fraction form
    140,062.24/209,975.88 = 61,116.40/x
  3. Step 3: Cross multiply
    140,062.24x = 209,975.88 × 61,116.40
  4. Step 4: Simplify right side
    140,062.24x = 12,832,969,872.43
  5. Step 5: Solve for x
    x = 12,832,969,872.43/140,062.24
  6. Step 6: Final answer
    x = 91,623.34

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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.