Home / 239,291.06-330,223.87-131,864.93

Finding the Fourth Proportional to 239,291.06, 330,223.87 and 131,864.93

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Solution

The fourth proportional to 239,291.06, 330,223.87 and 131,864.93 is: 181,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,291.06 : 330,223.87 = 131,864.93 : x
  2. Step 2: Convert to fraction form
    239,291.06/330,223.87 = 131,864.93/x
  3. Step 3: Cross multiply
    239,291.06x = 330,223.87 × 131,864.93
  4. Step 4: Simplify right side
    239,291.06x = 43,544,947,501.88
  5. Step 5: Solve for x
    x = 43,544,947,501.88/239,291.06
  6. Step 6: Final answer
    x = 181,974.82

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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.