Home / 126,365.42-174,393.46-72,667.28

Finding the Fourth Proportional to 126,365.42, 174,393.46 and 72,667.28

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Solution

The fourth proportional to 126,365.42, 174,393.46 and 72,667.28 is: 100,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.42 : 174,393.46 = 72,667.28 : x
  2. Step 2: Convert to fraction form
    126,365.42/174,393.46 = 72,667.28/x
  3. Step 3: Cross multiply
    126,365.42x = 174,393.46 × 72,667.28
  4. Step 4: Simplify right side
    126,365.42x = 12,672,698,387.99
  5. Step 5: Solve for x
    x = 12,672,698,387.99/126,365.42
  6. Step 6: Final answer
    x = 100,286.13

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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.