Home / 234,789.36-323,649.79-143,976.93

Finding the Fourth Proportional to 234,789.36, 323,649.79 and 143,976.93

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Solution

The fourth proportional to 234,789.36, 323,649.79 and 143,976.93 is: 198,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,789.36 : 323,649.79 = 143,976.93 : x
  2. Step 2: Convert to fraction form
    234,789.36/323,649.79 = 143,976.93/x
  3. Step 3: Cross multiply
    234,789.36x = 323,649.79 × 143,976.93
  4. Step 4: Simplify right side
    234,789.36x = 46,598,103,159.34
  5. Step 5: Solve for x
    x = 46,598,103,159.34/234,789.36
  6. Step 6: Final answer
    x = 198,467.70

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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.