Home / 141,759.18-212,639.70-36,579.06

Finding the Fourth Proportional to 141,759.18, 212,639.70 and 36,579.06

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Solution

The fourth proportional to 141,759.18, 212,639.70 and 36,579.06 is: 54,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,759.18 : 212,639.70 = 36,579.06 : x
  2. Step 2: Convert to fraction form
    141,759.18/212,639.70 = 36,579.06/x
  3. Step 3: Cross multiply
    141,759.18x = 212,639.70 × 36,579.06
  4. Step 4: Simplify right side
    141,759.18x = 7,778,160,344.68
  5. Step 5: Solve for x
    x = 7,778,160,344.68/141,759.18
  6. Step 6: Final answer
    x = 54,868.83

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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.