Home / 94,097.25-141,146.08-66,142.40

Finding the Fourth Proportional to 94,097.25, 141,146.08 and 66,142.40

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Solution

The fourth proportional to 94,097.25, 141,146.08 and 66,142.40 is: 99,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,097.25 : 141,146.08 = 66,142.40 : x
  2. Step 2: Convert to fraction form
    94,097.25/141,146.08 = 66,142.40/x
  3. Step 3: Cross multiply
    94,097.25x = 141,146.08 × 66,142.40
  4. Step 4: Simplify right side
    94,097.25x = 9,335,740,512.05
  5. Step 5: Solve for x
    x = 9,335,740,512.05/94,097.25
  6. Step 6: Final answer
    x = 99,213.74

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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.