Home / 230,109.40-345,023.16-89,704

Finding the Fourth Proportional to 230,109.40, 345,023.16 and 89,704

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Solution

The fourth proportional to 230,109.40, 345,023.16 and 89,704 is: 134,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,109.40 : 345,023.16 = 89,704 : x
  2. Step 2: Convert to fraction form
    230,109.40/345,023.16 = 89,704/x
  3. Step 3: Cross multiply
    230,109.40x = 345,023.16 × 89,704
  4. Step 4: Simplify right side
    230,109.40x = 30,949,957,544.64
  5. Step 5: Solve for x
    x = 30,949,957,544.64/230,109.40
  6. Step 6: Final answer
    x = 134,501.06

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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.