Home / 219,674.61-303,092.82-129,001.59

Finding the Fourth Proportional to 219,674.61, 303,092.82 and 129,001.59

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Solution

The fourth proportional to 219,674.61, 303,092.82 and 129,001.59 is: 177,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674.61 : 303,092.82 = 129,001.59 : x
  2. Step 2: Convert to fraction form
    219,674.61/303,092.82 = 129,001.59/x
  3. Step 3: Cross multiply
    219,674.61x = 303,092.82 × 129,001.59
  4. Step 4: Simplify right side
    219,674.61x = 39,099,455,697.58
  5. Step 5: Solve for x
    x = 39,099,455,697.58/219,674.61
  6. Step 6: Final answer
    x = 177,988.05

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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.