Home / 239,228.10-330,149.69-131,798.11

Finding the Fourth Proportional to 239,228.10, 330,149.69 and 131,798.11

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Solution

The fourth proportional to 239,228.10, 330,149.69 and 131,798.11 is: 181,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,228.10 : 330,149.69 = 131,798.11 : x
  2. Step 2: Convert to fraction form
    239,228.10/330,149.69 = 131,798.11/x
  3. Step 3: Cross multiply
    239,228.10x = 330,149.69 × 131,798.11
  4. Step 4: Simplify right side
    239,228.10x = 43,513,105,159.09
  5. Step 5: Solve for x
    x = 43,513,105,159.09/239,228.10
  6. Step 6: Final answer
    x = 181,889.61

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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.