Home / 141,968.39-212,906.49-47,173.12

Finding the Fourth Proportional to 141,968.39, 212,906.49 and 47,173.12

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Solution

The fourth proportional to 141,968.39, 212,906.49 and 47,173.12 is: 70,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,968.39 : 212,906.49 = 47,173.12 : x
  2. Step 2: Convert to fraction form
    141,968.39/212,906.49 = 47,173.12/x
  3. Step 3: Cross multiply
    141,968.39x = 212,906.49 × 47,173.12
  4. Step 4: Simplify right side
    141,968.39x = 10,043,462,101.15
  5. Step 5: Solve for x
    x = 10,043,462,101.15/141,968.39
  6. Step 6: Final answer
    x = 70,744.35

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1.5x scale

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.