Home / 141,218.24-194,881.44-77,560.16

Finding the Fourth Proportional to 141,218.24, 194,881.44 and 77,560.16

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Solution

The fourth proportional to 141,218.24, 194,881.44 and 77,560.16 is: 107,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218.24 : 194,881.44 = 77,560.16 : x
  2. Step 2: Convert to fraction form
    141,218.24/194,881.44 = 77,560.16/x
  3. Step 3: Cross multiply
    141,218.24x = 194,881.44 × 77,560.16
  4. Step 4: Simplify right side
    141,218.24x = 15,115,035,667.43
  5. Step 5: Solve for x
    x = 15,115,035,667.43/141,218.24
  6. Step 6: Final answer
    x = 107,033.17

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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.