Home / 239,131.71-329,995.03-130,233.58

Finding the Fourth Proportional to 239,131.71, 329,995.03 and 130,233.58

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Solution

The fourth proportional to 239,131.71, 329,995.03 and 130,233.58 is: 179,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,131.71 : 329,995.03 = 130,233.58 : x
  2. Step 2: Convert to fraction form
    239,131.71/329,995.03 = 130,233.58/x
  3. Step 3: Cross multiply
    239,131.71x = 329,995.03 × 130,233.58
  4. Step 4: Simplify right side
    239,131.71x = 42,976,434,139.11
  5. Step 5: Solve for x
    x = 42,976,434,139.11/239,131.71
  6. Step 6: Final answer
    x = 179,718.68

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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.