Home / 238,881.69-329,649.75-131,451.66

Finding the Fourth Proportional to 238,881.69, 329,649.75 and 131,451.66

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Solution

The fourth proportional to 238,881.69, 329,649.75 and 131,451.66 is: 181,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,881.69 : 329,649.75 = 131,451.66 : x
  2. Step 2: Convert to fraction form
    238,881.69/329,649.75 = 131,451.66/x
  3. Step 3: Cross multiply
    238,881.69x = 329,649.75 × 131,451.66
  4. Step 4: Simplify right side
    238,881.69x = 43,333,006,856.09
  5. Step 5: Solve for x
    x = 43,333,006,856.09/238,881.69
  6. Step 6: Final answer
    x = 181,399.45

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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.