Home / 239,351.46-330,307.03-131,921.76

Finding the Fourth Proportional to 239,351.46, 330,307.03 and 131,921.76

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Solution

The fourth proportional to 239,351.46, 330,307.03 and 131,921.76 is: 182,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,351.46 : 330,307.03 = 131,921.76 : x
  2. Step 2: Convert to fraction form
    239,351.46/330,307.03 = 131,921.76/x
  3. Step 3: Cross multiply
    239,351.46x = 330,307.03 × 131,921.76
  4. Step 4: Simplify right side
    239,351.46x = 43,574,684,737.97
  5. Step 5: Solve for x
    x = 43,574,684,737.97/239,351.46
  6. Step 6: Final answer
    x = 182,053.14

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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.