Home / 230,782.95-346,329.07-81,023.72

Finding the Fourth Proportional to 230,782.95, 346,329.07 and 81,023.72

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Solution

The fourth proportional to 230,782.95, 346,329.07 and 81,023.72 is: 121,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,782.95 : 346,329.07 = 81,023.72 : x
  2. Step 2: Convert to fraction form
    230,782.95/346,329.07 = 81,023.72/x
  3. Step 3: Cross multiply
    230,782.95x = 346,329.07 × 81,023.72
  4. Step 4: Simplify right side
    230,782.95x = 28,060,868,635.39
  5. Step 5: Solve for x
    x = 28,060,868,635.39/230,782.95
  6. Step 6: Final answer
    x = 121,589.87

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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.