Home / 103,330.25-142,662.98-63,067.35

Finding the Fourth Proportional to 103,330.25, 142,662.98 and 63,067.35

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Solution

The fourth proportional to 103,330.25, 142,662.98 and 63,067.35 is: 87,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.25 : 142,662.98 = 63,067.35 : x
  2. Step 2: Convert to fraction form
    103,330.25/142,662.98 = 63,067.35/x
  3. Step 3: Cross multiply
    103,330.25x = 142,662.98 × 63,067.35
  4. Step 4: Simplify right side
    103,330.25x = 8,997,375,776.37
  5. Step 5: Solve for x
    x = 8,997,375,776.37/103,330.25
  6. Step 6: Final answer
    x = 87,073.98

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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.