Home / 141,360.22-212,040.42-66,425.38

Finding the Fourth Proportional to 141,360.22, 212,040.42 and 66,425.38

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Solution

The fourth proportional to 141,360.22, 212,040.42 and 66,425.38 is: 99,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360.22 : 212,040.42 = 66,425.38 : x
  2. Step 2: Convert to fraction form
    141,360.22/212,040.42 = 66,425.38/x
  3. Step 3: Cross multiply
    141,360.22x = 212,040.42 × 66,425.38
  4. Step 4: Simplify right side
    141,360.22x = 14,084,865,473.86
  5. Step 5: Solve for x
    x = 14,084,865,473.86/141,360.22
  6. Step 6: Final answer
    x = 99,638.11

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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.