Home / 209,116.60-313,253.90-96,641.92

Finding the Fourth Proportional to 209,116.60, 313,253.90 and 96,641.92

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Solution

The fourth proportional to 209,116.60, 313,253.90 and 96,641.92 is: 144,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,116.60 : 313,253.90 = 96,641.92 : x
  2. Step 2: Convert to fraction form
    209,116.60/313,253.90 = 96,641.92/x
  3. Step 3: Cross multiply
    209,116.60x = 313,253.90 × 96,641.92
  4. Step 4: Simplify right side
    209,116.60x = 30,273,458,614.25
  5. Step 5: Solve for x
    x = 30,273,458,614.25/209,116.60
  6. Step 6: Final answer
    x = 144,768.32

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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.