Home / 230,113.52-345,162.07-80,353.23

Finding the Fourth Proportional to 230,113.52, 345,162.07 and 80,353.23

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Solution

The fourth proportional to 230,113.52, 345,162.07 and 80,353.23 is: 120,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,113.52 : 345,162.07 = 80,353.23 : x
  2. Step 2: Convert to fraction form
    230,113.52/345,162.07 = 80,353.23/x
  3. Step 3: Cross multiply
    230,113.52x = 345,162.07 × 80,353.23
  4. Step 4: Simplify right side
    230,113.52x = 27,734,887,197.99
  5. Step 5: Solve for x
    x = 27,734,887,197.99/230,113.52
  6. Step 6: Final answer
    x = 120,526.98

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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.