Home / 239,007.84-329,818.80-131,587.20

Finding the Fourth Proportional to 239,007.84, 329,818.80 and 131,587.20

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Solution

The fourth proportional to 239,007.84, 329,818.80 and 131,587.20 is: 181,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,007.84 : 329,818.80 = 131,587.20 : x
  2. Step 2: Convert to fraction form
    239,007.84/329,818.80 = 131,587.20/x
  3. Step 3: Cross multiply
    239,007.84x = 329,818.80 × 131,587.20
  4. Step 4: Simplify right side
    239,007.84x = 43,399,932,399.36
  5. Step 5: Solve for x
    x = 43,399,932,399.36/239,007.84
  6. Step 6: Final answer
    x = 181,583.72

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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.