Home / 179,981.70-269,972.55-144,989.70

Finding the Fourth Proportional to 179,981.70, 269,972.55 and 144,989.70

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Solution

The fourth proportional to 179,981.70, 269,972.55 and 144,989.70 is: 217,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,981.70 : 269,972.55 = 144,989.70 : x
  2. Step 2: Convert to fraction form
    179,981.70/269,972.55 = 144,989.70/x
  3. Step 3: Cross multiply
    179,981.70x = 269,972.55 × 144,989.70
  4. Step 4: Simplify right side
    179,981.70x = 39,143,239,032.74
  5. Step 5: Solve for x
    x = 39,143,239,032.74/179,981.70
  6. Step 6: Final answer
    x = 217,484.55

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1.5x scale

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.