Home / 141,840.03-195,736.66-77,309.83

Finding the Fourth Proportional to 141,840.03, 195,736.66 and 77,309.83

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Solution

The fourth proportional to 141,840.03, 195,736.66 and 77,309.83 is: 106,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.03 : 195,736.66 = 77,309.83 : x
  2. Step 2: Convert to fraction form
    141,840.03/195,736.66 = 77,309.83/x
  3. Step 3: Cross multiply
    141,840.03x = 195,736.66 × 77,309.83
  4. Step 4: Simplify right side
    141,840.03x = 15,132,367,909.37
  5. Step 5: Solve for x
    x = 15,132,367,909.37/141,840.03
  6. Step 6: Final answer
    x = 106,686.16

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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.