Home / 141,270.40-194,959.74-77,614.12

Finding the Fourth Proportional to 141,270.40, 194,959.74 and 77,614.12

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Solution

The fourth proportional to 141,270.40, 194,959.74 and 77,614.12 is: 107,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,270.40 : 194,959.74 = 77,614.12 : x
  2. Step 2: Convert to fraction form
    141,270.40/194,959.74 = 77,614.12/x
  3. Step 3: Cross multiply
    141,270.40x = 194,959.74 × 77,614.12
  4. Step 4: Simplify right side
    141,270.40x = 15,131,628,655.53
  5. Step 5: Solve for x
    x = 15,131,628,655.53/141,270.40
  6. Step 6: Final answer
    x = 107,111.11

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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.