Home / 239,421.59-330,404.06-131,995.48

Finding the Fourth Proportional to 239,421.59, 330,404.06 and 131,995.48

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Solution

The fourth proportional to 239,421.59, 330,404.06 and 131,995.48 is: 182,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,421.59 : 330,404.06 = 131,995.48 : x
  2. Step 2: Convert to fraction form
    239,421.59/330,404.06 = 131,995.48/x
  3. Step 3: Cross multiply
    239,421.59x = 330,404.06 × 131,995.48
  4. Step 4: Simplify right side
    239,421.59x = 43,611,840,181.65
  5. Step 5: Solve for x
    x = 43,611,840,181.65/239,421.59
  6. Step 6: Final answer
    x = 182,155.00

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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.