Home / 146,465.20-219,503.40-76,325.68

Finding the Fourth Proportional to 146,465.20, 219,503.40 and 76,325.68

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Solution

The fourth proportional to 146,465.20, 219,503.40 and 76,325.68 is: 114,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,465.20 : 219,503.40 = 76,325.68 : x
  2. Step 2: Convert to fraction form
    146,465.20/219,503.40 = 76,325.68/x
  3. Step 3: Cross multiply
    146,465.20x = 219,503.40 × 76,325.68
  4. Step 4: Simplify right side
    146,465.20x = 16,753,746,267.31
  5. Step 5: Solve for x
    x = 16,753,746,267.31/146,465.20
  6. Step 6: Final answer
    x = 114,387.21

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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.