Home / 141,339.39-212,017.16-40,129.53

Finding the Fourth Proportional to 141,339.39, 212,017.16 and 40,129.53

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Solution

The fourth proportional to 141,339.39, 212,017.16 and 40,129.53 is: 60,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339.39 : 212,017.16 = 40,129.53 : x
  2. Step 2: Convert to fraction form
    141,339.39/212,017.16 = 40,129.53/x
  3. Step 3: Cross multiply
    141,339.39x = 212,017.16 × 40,129.53
  4. Step 4: Simplify right side
    141,339.39x = 8,508,148,982.73
  5. Step 5: Solve for x
    x = 8,508,148,982.73/141,339.39
  6. Step 6: Final answer
    x = 60,196.59

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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.