Home / 239,320.16-330,246.18-131,890.22

Finding the Fourth Proportional to 239,320.16, 330,246.18 and 131,890.22

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Solution

The fourth proportional to 239,320.16, 330,246.18 and 131,890.22 is: 181,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,320.16 : 330,246.18 = 131,890.22 : x
  2. Step 2: Convert to fraction form
    239,320.16/330,246.18 = 131,890.22/x
  3. Step 3: Cross multiply
    239,320.16x = 330,246.18 × 131,890.22
  4. Step 4: Simplify right side
    239,320.16x = 43,556,241,334.36
  5. Step 5: Solve for x
    x = 43,556,241,334.36/239,320.16
  6. Step 6: Final answer
    x = 181,999.88

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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.