Home / 141,446.96-212,192.36-66,575.01

Finding the Fourth Proportional to 141,446.96, 212,192.36 and 66,575.01

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Solution

The fourth proportional to 141,446.96, 212,192.36 and 66,575.01 is: 99,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,446.96 : 212,192.36 = 66,575.01 : x
  2. Step 2: Convert to fraction form
    141,446.96/212,192.36 = 66,575.01/x
  3. Step 3: Cross multiply
    141,446.96x = 212,192.36 × 66,575.01
  4. Step 4: Simplify right side
    141,446.96x = 14,126,709,201.43
  5. Step 5: Solve for x
    x = 14,126,709,201.43/141,446.96
  6. Step 6: Final answer
    x = 99,872.84

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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.