Home / 148,152.84-204,451.45-80,169.81

Finding the Fourth Proportional to 148,152.84, 204,451.45 and 80,169.81

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Solution

The fourth proportional to 148,152.84, 204,451.45 and 80,169.81 is: 110,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,152.84 : 204,451.45 = 80,169.81 : x
  2. Step 2: Convert to fraction form
    148,152.84/204,451.45 = 80,169.81/x
  3. Step 3: Cross multiply
    148,152.84x = 204,451.45 × 80,169.81
  4. Step 4: Simplify right side
    148,152.84x = 16,390,834,083.65
  5. Step 5: Solve for x
    x = 16,390,834,083.65/148,152.84
  6. Step 6: Final answer
    x = 110,634.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.