Home / 141,872.27-212,664.81-91,984.07

Finding the Fourth Proportional to 141,872.27, 212,664.81 and 91,984.07

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Solution

The fourth proportional to 141,872.27, 212,664.81 and 91,984.07 is: 137,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,872.27 : 212,664.81 = 91,984.07 : x
  2. Step 2: Convert to fraction form
    141,872.27/212,664.81 = 91,984.07/x
  3. Step 3: Cross multiply
    141,872.27x = 212,664.81 × 91,984.07
  4. Step 4: Simplify right side
    141,872.27x = 19,561,774,769.58
  5. Step 5: Solve for x
    x = 19,561,774,769.58/141,872.27
  6. Step 6: Final answer
    x = 137,883.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.