Home / 126,241.89-174,222.35-72,548.31

Finding the Fourth Proportional to 126,241.89, 174,222.35 and 72,548.31

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Solution

The fourth proportional to 126,241.89, 174,222.35 and 72,548.31 is: 100,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,241.89 : 174,222.35 = 72,548.31 : x
  2. Step 2: Convert to fraction form
    126,241.89/174,222.35 = 72,548.31/x
  3. Step 3: Cross multiply
    126,241.89x = 174,222.35 × 72,548.31
  4. Step 4: Simplify right side
    126,241.89x = 12,639,536,693.99
  5. Step 5: Solve for x
    x = 12,639,536,693.99/126,241.89
  6. Step 6: Final answer
    x = 100,121.57

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1.5x scale

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.