Home / 239,139.30-330,014.34-131,713.05

Finding the Fourth Proportional to 239,139.30, 330,014.34 and 131,713.05

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Solution

The fourth proportional to 239,139.30, 330,014.34 and 131,713.05 is: 181,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,139.30 : 330,014.34 = 131,713.05 : x
  2. Step 2: Convert to fraction form
    239,139.30/330,014.34 = 131,713.05/x
  3. Step 3: Cross multiply
    239,139.30x = 330,014.34 × 131,713.05
  4. Step 4: Simplify right side
    239,139.30x = 43,467,195,265.14
  5. Step 5: Solve for x
    x = 43,467,195,265.14/239,139.30
  6. Step 6: Final answer
    x = 181,765.17

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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.