Home / 103,476.30-142,793.16-63,257.36

Finding the Fourth Proportional to 103,476.30, 142,793.16 and 63,257.36

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Solution

The fourth proportional to 103,476.30, 142,793.16 and 63,257.36 is: 87,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.30 : 142,793.16 = 63,257.36 : x
  2. Step 2: Convert to fraction form
    103,476.30/142,793.16 = 63,257.36/x
  3. Step 3: Cross multiply
    103,476.30x = 142,793.16 × 63,257.36
  4. Step 4: Simplify right side
    103,476.30x = 9,032,718,327.66
  5. Step 5: Solve for x
    x = 9,032,718,327.66/103,476.30
  6. Step 6: Final answer
    x = 87,292.63

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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.