Home / 141,414.30-212,190.57-66,541.88

Finding the Fourth Proportional to 141,414.30, 212,190.57 and 66,541.88

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Solution

The fourth proportional to 141,414.30, 212,190.57 and 66,541.88 is: 99,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.30 : 212,190.57 = 66,541.88 : x
  2. Step 2: Convert to fraction form
    141,414.30/212,190.57 = 66,541.88/x
  3. Step 3: Cross multiply
    141,414.30x = 212,190.57 × 66,541.88
  4. Step 4: Simplify right side
    141,414.30x = 14,119,559,976.55
  5. Step 5: Solve for x
    x = 14,119,559,976.55/141,414.30
  6. Step 6: Final answer
    x = 99,845.35

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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.