Home / 141,785.12-212,327.48-105,675

Finding the Fourth Proportional to 141,785.12, 212,327.48 and 105,675

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Solution

The fourth proportional to 141,785.12, 212,327.48 and 105,675 is: 158,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,785.12 : 212,327.48 = 105,675 : x
  2. Step 2: Convert to fraction form
    141,785.12/212,327.48 = 105,675/x
  3. Step 3: Cross multiply
    141,785.12x = 212,327.48 × 105,675
  4. Step 4: Simplify right side
    141,785.12x = 22,437,706,449
  5. Step 5: Solve for x
    x = 22,437,706,449/141,785.12
  6. Step 6: Final answer
    x = 158,251.49

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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.