Home / 369,876.30-554,814.48-126,735.78

Finding the Fourth Proportional to 369,876.30, 554,814.48 and 126,735.78

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Solution

The fourth proportional to 369,876.30, 554,814.48 and 126,735.78 is: 190,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,876.30 : 554,814.48 = 126,735.78 : x
  2. Step 2: Convert to fraction form
    369,876.30/554,814.48 = 126,735.78/x
  3. Step 3: Cross multiply
    369,876.30x = 554,814.48 × 126,735.78
  4. Step 4: Simplify right side
    369,876.30x = 70,314,845,878.09
  5. Step 5: Solve for x
    x = 70,314,845,878.09/369,876.30
  6. Step 6: Final answer
    x = 190,103.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.