Home / 141,326.81-195,021.83-80,897.93

Finding the Fourth Proportional to 141,326.81, 195,021.83 and 80,897.93

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Solution

The fourth proportional to 141,326.81, 195,021.83 and 80,897.93 is: 111,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,326.81 : 195,021.83 = 80,897.93 : x
  2. Step 2: Convert to fraction form
    141,326.81/195,021.83 = 80,897.93/x
  3. Step 3: Cross multiply
    141,326.81x = 195,021.83 × 80,897.93
  4. Step 4: Simplify right side
    141,326.81x = 15,776,861,947.32
  5. Step 5: Solve for x
    x = 15,776,861,947.32/141,326.81
  6. Step 6: Final answer
    x = 111,633.89

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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.