Home / 141,972.60-212,958.90-106,543.20

Finding the Fourth Proportional to 141,972.60, 212,958.90 and 106,543.20

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Solution

The fourth proportional to 141,972.60, 212,958.90 and 106,543.20 is: 159,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.60 : 212,958.90 = 106,543.20 : x
  2. Step 2: Convert to fraction form
    141,972.60/212,958.90 = 106,543.20/x
  3. Step 3: Cross multiply
    141,972.60x = 212,958.90 × 106,543.20
  4. Step 4: Simplify right side
    141,972.60x = 22,689,322,674.48
  5. Step 5: Solve for x
    x = 22,689,322,674.48/141,972.60
  6. Step 6: Final answer
    x = 159,814.80

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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.