Home / 141,748.66-212,697.12-91,815.82

Finding the Fourth Proportional to 141,748.66, 212,697.12 and 91,815.82

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Solution

The fourth proportional to 141,748.66, 212,697.12 and 91,815.82 is: 137,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,748.66 : 212,697.12 = 91,815.82 : x
  2. Step 2: Convert to fraction form
    141,748.66/212,697.12 = 91,815.82/x
  3. Step 3: Cross multiply
    141,748.66x = 212,697.12 × 91,815.82
  4. Step 4: Simplify right side
    141,748.66x = 19,528,960,484.44
  5. Step 5: Solve for x
    x = 19,528,960,484.44/141,748.66
  6. Step 6: Final answer
    x = 137,771.75

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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.