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Finding the Fourth Proportional to 126,853, 175,057.14 and 70,268.04

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Solution

The fourth proportional to 126,853, 175,057.14 and 70,268.04 is: 96,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853 : 175,057.14 = 70,268.04 : x
  2. Step 2: Convert to fraction form
    126,853/175,057.14 = 70,268.04/x
  3. Step 3: Cross multiply
    126,853x = 175,057.14 × 70,268.04
  4. Step 4: Simplify right side
    126,853x = 12,300,922,115.81
  5. Step 5: Solve for x
    x = 12,300,922,115.81/126,853
  6. Step 6: Final answer
    x = 96,969.90

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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.