Home / 126,781.50-174,958.47-70,196.52

Finding the Fourth Proportional to 126,781.50, 174,958.47 and 70,196.52

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Solution

The fourth proportional to 126,781.50, 174,958.47 and 70,196.52 is: 96,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,781.50 : 174,958.47 = 70,196.52 : x
  2. Step 2: Convert to fraction form
    126,781.50/174,958.47 = 70,196.52/x
  3. Step 3: Cross multiply
    126,781.50x = 174,958.47 × 70,196.52
  4. Step 4: Simplify right side
    126,781.50x = 12,281,475,738.52
  5. Step 5: Solve for x
    x = 12,281,475,738.52/126,781.50
  6. Step 6: Final answer
    x = 96,871.20

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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.