Home / 141,376.41-212,133.79-66,504.11

Finding the Fourth Proportional to 141,376.41, 212,133.79 and 66,504.11

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Solution

The fourth proportional to 141,376.41, 212,133.79 and 66,504.11 is: 99,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.41 : 212,133.79 = 66,504.11 : x
  2. Step 2: Convert to fraction form
    141,376.41/212,133.79 = 66,504.11/x
  3. Step 3: Cross multiply
    141,376.41x = 212,133.79 × 66,504.11
  4. Step 4: Simplify right side
    141,376.41x = 14,107,767,511.69
  5. Step 5: Solve for x
    x = 14,107,767,511.69/141,376.41
  6. Step 6: Final answer
    x = 99,788.70

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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.