Home / 141,985.92-213,110.14-71,914.44

Finding the Fourth Proportional to 141,985.92, 213,110.14 and 71,914.44

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Solution

The fourth proportional to 141,985.92, 213,110.14 and 71,914.44 is: 107,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,985.92 : 213,110.14 = 71,914.44 : x
  2. Step 2: Convert to fraction form
    141,985.92/213,110.14 = 71,914.44/x
  3. Step 3: Cross multiply
    141,985.92x = 213,110.14 × 71,914.44
  4. Step 4: Simplify right side
    141,985.92x = 15,325,696,376.42
  5. Step 5: Solve for x
    x = 15,325,696,376.42/141,985.92
  6. Step 6: Final answer
    x = 107,938.14

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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.