Home / 239,373.62-330,335.63-131,946

Finding the Fourth Proportional to 239,373.62, 330,335.63 and 131,946

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Solution

The fourth proportional to 239,373.62, 330,335.63 and 131,946 is: 182,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,373.62 : 330,335.63 = 131,946 : x
  2. Step 2: Convert to fraction form
    239,373.62/330,335.63 = 131,946/x
  3. Step 3: Cross multiply
    239,373.62x = 330,335.63 × 131,946
  4. Step 4: Simplify right side
    239,373.62x = 43,586,465,035.98
  5. Step 5: Solve for x
    x = 43,586,465,035.98/239,373.62
  6. Step 6: Final answer
    x = 182,085.50

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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.