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Finding the Fourth Proportional to 161,414.94, 242,116.94 and 43,080.02

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Solution

The fourth proportional to 161,414.94, 242,116.94 and 43,080.02 is: 64,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,414.94 : 242,116.94 = 43,080.02 : x
  2. Step 2: Convert to fraction form
    161,414.94/242,116.94 = 43,080.02/x
  3. Step 3: Cross multiply
    161,414.94x = 242,116.94 × 43,080.02
  4. Step 4: Simplify right side
    161,414.94x = 10,430,402,617.54
  5. Step 5: Solve for x
    x = 10,430,402,617.54/161,414.94
  6. Step 6: Final answer
    x = 64,618.57

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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.