Home / 239,182.72-330,070.62-131,750.26

Finding the Fourth Proportional to 239,182.72, 330,070.62 and 131,750.26

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Solution

The fourth proportional to 239,182.72, 330,070.62 and 131,750.26 is: 181,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,182.72 : 330,070.62 = 131,750.26 : x
  2. Step 2: Convert to fraction form
    239,182.72/330,070.62 = 131,750.26/x
  3. Step 3: Cross multiply
    239,182.72x = 330,070.62 × 131,750.26
  4. Step 4: Simplify right side
    239,182.72x = 43,486,890,003.36
  5. Step 5: Solve for x
    x = 43,486,890,003.36/239,182.72
  6. Step 6: Final answer
    x = 181,814.51

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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.