Home / 141,204.60-211,806.90-66,376.40

Finding the Fourth Proportional to 141,204.60, 211,806.90 and 66,376.40

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Solution

The fourth proportional to 141,204.60, 211,806.90 and 66,376.40 is: 99,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,204.60 : 211,806.90 = 66,376.40 : x
  2. Step 2: Convert to fraction form
    141,204.60/211,806.90 = 66,376.40/x
  3. Step 3: Cross multiply
    141,204.60x = 211,806.90 × 66,376.40
  4. Step 4: Simplify right side
    141,204.60x = 14,058,978,458.13
  5. Step 5: Solve for x
    x = 14,058,978,458.13/141,204.60
  6. Step 6: Final answer
    x = 99,564.59

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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.