Home / 84,618.40-126,942-29,201.44

Finding the Fourth Proportional to 84,618.40, 126,942 and 29,201.44

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Solution

The fourth proportional to 84,618.40, 126,942 and 29,201.44 is: 43,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.40 : 126,942 = 29,201.44 : x
  2. Step 2: Convert to fraction form
    84,618.40/126,942 = 29,201.44/x
  3. Step 3: Cross multiply
    84,618.40x = 126,942 × 29,201.44
  4. Step 4: Simplify right side
    84,618.40x = 3,706,889,196.48
  5. Step 5: Solve for x
    x = 3,706,889,196.48/84,618.40
  6. Step 6: Final answer
    x = 43,807.13

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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.