Home / 141,087.56-211,700.54-66,213.79

Finding the Fourth Proportional to 141,087.56, 211,700.54 and 66,213.79

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Solution

The fourth proportional to 141,087.56, 211,700.54 and 66,213.79 is: 99,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.56 : 211,700.54 = 66,213.79 : x
  2. Step 2: Convert to fraction form
    141,087.56/211,700.54 = 66,213.79/x
  3. Step 3: Cross multiply
    141,087.56x = 211,700.54 × 66,213.79
  4. Step 4: Simplify right side
    141,087.56x = 14,017,495,255.39
  5. Step 5: Solve for x
    x = 14,017,495,255.39/141,087.56
  6. Step 6: Final answer
    x = 99,353.16

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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.