Home / 209,256.29-313,785.98-146,147.66

Finding the Fourth Proportional to 209,256.29, 313,785.98 and 146,147.66

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Solution

The fourth proportional to 209,256.29, 313,785.98 and 146,147.66 is: 219,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,256.29 : 313,785.98 = 146,147.66 : x
  2. Step 2: Convert to fraction form
    209,256.29/313,785.98 = 146,147.66/x
  3. Step 3: Cross multiply
    209,256.29x = 313,785.98 × 146,147.66
  4. Step 4: Simplify right side
    209,256.29x = 45,859,087,867.64
  5. Step 5: Solve for x
    x = 45,859,087,867.64/209,256.29
  6. Step 6: Final answer
    x = 219,152.74

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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.