Home / 209,301.32-313,531.14-96,823.64

Finding the Fourth Proportional to 209,301.32, 313,531.14 and 96,823.64

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Solution

The fourth proportional to 209,301.32, 313,531.14 and 96,823.64 is: 145,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301.32 : 313,531.14 = 96,823.64 : x
  2. Step 2: Convert to fraction form
    209,301.32/313,531.14 = 96,823.64/x
  3. Step 3: Cross multiply
    209,301.32x = 313,531.14 × 96,823.64
  4. Step 4: Simplify right side
    209,301.32x = 30,357,226,228.15
  5. Step 5: Solve for x
    x = 30,357,226,228.15/209,301.32
  6. Step 6: Final answer
    x = 145,040.78

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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.