Home / 209,363.23-313,854.80-76,149.32

Finding the Fourth Proportional to 209,363.23, 313,854.80 and 76,149.32

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Solution

The fourth proportional to 209,363.23, 313,854.80 and 76,149.32 is: 114,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,363.23 : 313,854.80 = 76,149.32 : x
  2. Step 2: Convert to fraction form
    209,363.23/313,854.80 = 76,149.32/x
  3. Step 3: Cross multiply
    209,363.23x = 313,854.80 × 76,149.32
  4. Step 4: Simplify right side
    209,363.23x = 23,899,828,077.06
  5. Step 5: Solve for x
    x = 23,899,828,077.06/209,363.23
  6. Step 6: Final answer
    x = 114,154.85

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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.