Home / 102,350.42-141,253.96-57,035.78

Finding the Fourth Proportional to 102,350.42, 141,253.96 and 57,035.78

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Solution

The fourth proportional to 102,350.42, 141,253.96 and 57,035.78 is: 78,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.42 : 141,253.96 = 57,035.78 : x
  2. Step 2: Convert to fraction form
    102,350.42/141,253.96 = 57,035.78/x
  3. Step 3: Cross multiply
    102,350.42x = 141,253.96 × 57,035.78
  4. Step 4: Simplify right side
    102,350.42x = 8,056,529,080.42
  5. Step 5: Solve for x
    x = 8,056,529,080.42/102,350.42
  6. Step 6: Final answer
    x = 78,715.16

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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.