Home / 239,237.48-330,146.14-131,805

Finding the Fourth Proportional to 239,237.48, 330,146.14 and 131,805

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Solution

The fourth proportional to 239,237.48, 330,146.14 and 131,805 is: 181,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,237.48 : 330,146.14 = 131,805 : x
  2. Step 2: Convert to fraction form
    239,237.48/330,146.14 = 131,805/x
  3. Step 3: Cross multiply
    239,237.48x = 330,146.14 × 131,805
  4. Step 4: Simplify right side
    239,237.48x = 43,514,911,982.70
  5. Step 5: Solve for x
    x = 43,514,911,982.70/239,237.48
  6. Step 6: Final answer
    x = 181,890.03

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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.