Home / 141,410.06-195,140.88-77,747.36

Finding the Fourth Proportional to 141,410.06, 195,140.88 and 77,747.36

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Solution

The fourth proportional to 141,410.06, 195,140.88 and 77,747.36 is: 107,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,410.06 : 195,140.88 = 77,747.36 : x
  2. Step 2: Convert to fraction form
    141,410.06/195,140.88 = 77,747.36/x
  3. Step 3: Cross multiply
    141,410.06x = 195,140.88 × 77,747.36
  4. Step 4: Simplify right side
    141,410.06x = 15,171,687,272.37
  5. Step 5: Solve for x
    x = 15,171,687,272.37/141,410.06
  6. Step 6: Final answer
    x = 107,288.60

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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.