Home / 239,279.16-330,212.29-131,856.12

Finding the Fourth Proportional to 239,279.16, 330,212.29 and 131,856.12

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Solution

The fourth proportional to 239,279.16, 330,212.29 and 131,856.12 is: 181,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,279.16 : 330,212.29 = 131,856.12 : x
  2. Step 2: Convert to fraction form
    239,279.16/330,212.29 = 131,856.12/x
  3. Step 3: Cross multiply
    239,279.16x = 330,212.29 × 131,856.12
  4. Step 4: Simplify right side
    239,279.16x = 43,540,509,025.37
  5. Step 5: Solve for x
    x = 43,540,509,025.37/239,279.16
  6. Step 6: Final answer
    x = 181,965.32

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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.