Home / 141,273.81-194,957.94-77,615.71

Finding the Fourth Proportional to 141,273.81, 194,957.94 and 77,615.71

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Solution

The fourth proportional to 141,273.81, 194,957.94 and 77,615.71 is: 107,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,273.81 : 194,957.94 = 77,615.71 : x
  2. Step 2: Convert to fraction form
    141,273.81/194,957.94 = 77,615.71/x
  3. Step 3: Cross multiply
    141,273.81x = 194,957.94 × 77,615.71
  4. Step 4: Simplify right side
    141,273.81x = 15,131,798,933.24
  5. Step 5: Solve for x
    x = 15,131,798,933.24/141,273.81
  6. Step 6: Final answer
    x = 107,109.72

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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.