Home / 126,556.25-174,597.39-72,812.34

Finding the Fourth Proportional to 126,556.25, 174,597.39 and 72,812.34

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Solution

The fourth proportional to 126,556.25, 174,597.39 and 72,812.34 is: 100,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,556.25 : 174,597.39 = 72,812.34 : x
  2. Step 2: Convert to fraction form
    126,556.25/174,597.39 = 72,812.34/x
  3. Step 3: Cross multiply
    126,556.25x = 174,597.39 × 72,812.34
  4. Step 4: Simplify right side
    126,556.25x = 12,712,844,523.79
  5. Step 5: Solve for x
    x = 12,712,844,523.79/126,556.25
  6. Step 6: Final answer
    x = 100,452.13

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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.