Home / 141,948.13-212,913.79-53,194.21

Finding the Fourth Proportional to 141,948.13, 212,913.79 and 53,194.21

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Solution

The fourth proportional to 141,948.13, 212,913.79 and 53,194.21 is: 79,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.13 : 212,913.79 = 53,194.21 : x
  2. Step 2: Convert to fraction form
    141,948.13/212,913.79 = 53,194.21/x
  3. Step 3: Cross multiply
    141,948.13x = 212,913.79 × 53,194.21
  4. Step 4: Simplify right side
    141,948.13x = 11,325,780,857.16
  5. Step 5: Solve for x
    x = 11,325,780,857.16/141,948.13
  6. Step 6: Final answer
    x = 79,788.17

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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.