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Finding the Fourth Proportional to 126,114.60, 174,039.49 and 69,528

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Solution

The fourth proportional to 126,114.60, 174,039.49 and 69,528 is: 95,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.60 : 174,039.49 = 69,528 : x
  2. Step 2: Convert to fraction form
    126,114.60/174,039.49 = 69,528/x
  3. Step 3: Cross multiply
    126,114.60x = 174,039.49 × 69,528
  4. Step 4: Simplify right side
    126,114.60x = 12,100,617,660.72
  5. Step 5: Solve for x
    x = 12,100,617,660.72/126,114.60
  6. Step 6: Final answer
    x = 95,949.38

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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.