Home / 239,300.23-330,236.54-131,874.12

Finding the Fourth Proportional to 239,300.23, 330,236.54 and 131,874.12

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Solution

The fourth proportional to 239,300.23, 330,236.54 and 131,874.12 is: 181,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,300.23 : 330,236.54 = 131,874.12 : x
  2. Step 2: Convert to fraction form
    239,300.23/330,236.54 = 131,874.12/x
  3. Step 3: Cross multiply
    239,300.23x = 330,236.54 × 131,874.12
  4. Step 4: Simplify right side
    239,300.23x = 43,549,653,104.34
  5. Step 5: Solve for x
    x = 43,549,653,104.34/239,300.23
  6. Step 6: Final answer
    x = 181,987.51

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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.