Home / 239,110.51-330,131.31-148,601.53

Finding the Fourth Proportional to 239,110.51, 330,131.31 and 148,601.53

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Solution

The fourth proportional to 239,110.51, 330,131.31 and 148,601.53 is: 205,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,110.51 : 330,131.31 = 148,601.53 : x
  2. Step 2: Convert to fraction form
    239,110.51/330,131.31 = 148,601.53/x
  3. Step 3: Cross multiply
    239,110.51x = 330,131.31 × 148,601.53
  4. Step 4: Simplify right side
    239,110.51x = 49,058,017,766.90
  5. Step 5: Solve for x
    x = 49,058,017,766.90/239,110.51
  6. Step 6: Final answer
    x = 205,168.81

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1.5x scale

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.