Home / 103,178.40-142,375.44-60,734.40

Finding the Fourth Proportional to 103,178.40, 142,375.44 and 60,734.40

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Solution

The fourth proportional to 103,178.40, 142,375.44 and 60,734.40 is: 83,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,178.40 : 142,375.44 = 60,734.40 : x
  2. Step 2: Convert to fraction form
    103,178.40/142,375.44 = 60,734.40/x
  3. Step 3: Cross multiply
    103,178.40x = 142,375.44 × 60,734.40
  4. Step 4: Simplify right side
    103,178.40x = 8,647,086,923.14
  5. Step 5: Solve for x
    x = 8,647,086,923.14/103,178.40
  6. Step 6: Final answer
    x = 83,807.14

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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.