Home / 239,362.56-330,319.08-131,932.80

Finding the Fourth Proportional to 239,362.56, 330,319.08 and 131,932.80

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Solution

The fourth proportional to 239,362.56, 330,319.08 and 131,932.80 is: 182,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,362.56 : 330,319.08 = 131,932.80 : x
  2. Step 2: Convert to fraction form
    239,362.56/330,319.08 = 131,932.80/x
  3. Step 3: Cross multiply
    239,362.56x = 330,319.08 × 131,932.80
  4. Step 4: Simplify right side
    239,362.56x = 43,579,921,117.82
  5. Step 5: Solve for x
    x = 43,579,921,117.82/239,362.56
  6. Step 6: Final answer
    x = 182,066.57

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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.