Home / 205,226.10-307,869.93-72,082.89

Finding the Fourth Proportional to 205,226.10, 307,869.93 and 72,082.89

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Solution

The fourth proportional to 205,226.10, 307,869.93 and 72,082.89 is: 108,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,226.10 : 307,869.93 = 72,082.89 : x
  2. Step 2: Convert to fraction form
    205,226.10/307,869.93 = 72,082.89/x
  3. Step 3: Cross multiply
    205,226.10x = 307,869.93 × 72,082.89
  4. Step 4: Simplify right side
    205,226.10x = 22,192,154,298.50
  5. Step 5: Solve for x
    x = 22,192,154,298.50/205,226.10
  6. Step 6: Final answer
    x = 108,135.15

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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.