Home / 97,857.18-135,084.24-66,069.18

Finding the Fourth Proportional to 97,857.18, 135,084.24 and 66,069.18

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Solution

The fourth proportional to 97,857.18, 135,084.24 and 66,069.18 is: 91,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,857.18 : 135,084.24 = 66,069.18 : x
  2. Step 2: Convert to fraction form
    97,857.18/135,084.24 = 66,069.18/x
  3. Step 3: Cross multiply
    97,857.18x = 135,084.24 × 66,069.18
  4. Step 4: Simplify right side
    97,857.18x = 8,924,904,967.72
  5. Step 5: Solve for x
    x = 8,924,904,967.72/97,857.18
  6. Step 6: Final answer
    x = 91,203.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.