Home / 102,158.11-140,997.61-63,935.43

Finding the Fourth Proportional to 102,158.11, 140,997.61 and 63,935.43

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Solution

The fourth proportional to 102,158.11, 140,997.61 and 63,935.43 is: 88,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,158.11 : 140,997.61 = 63,935.43 : x
  2. Step 2: Convert to fraction form
    102,158.11/140,997.61 = 63,935.43/x
  3. Step 3: Cross multiply
    102,158.11x = 140,997.61 × 63,935.43
  4. Step 4: Simplify right side
    102,158.11x = 9,014,742,824.32
  5. Step 5: Solve for x
    x = 9,014,742,824.32/102,158.11
  6. Step 6: Final answer
    x = 88,243.05

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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.