Home / 106,086.38-159,087.78-39,490.07

Finding the Fourth Proportional to 106,086.38, 159,087.78 and 39,490.07

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Solution

The fourth proportional to 106,086.38, 159,087.78 and 39,490.07 is: 59,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,086.38 : 159,087.78 = 39,490.07 : x
  2. Step 2: Convert to fraction form
    106,086.38/159,087.78 = 39,490.07/x
  3. Step 3: Cross multiply
    106,086.38x = 159,087.78 × 39,490.07
  4. Step 4: Simplify right side
    106,086.38x = 6,282,386,772.91
  5. Step 5: Solve for x
    x = 6,282,386,772.91/106,086.38
  6. Step 6: Final answer
    x = 59,219.54

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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.