Home / 126,261.09-174,250.14-72,564.84

Finding the Fourth Proportional to 126,261.09, 174,250.14 and 72,564.84

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Solution

The fourth proportional to 126,261.09, 174,250.14 and 72,564.84 is: 100,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,261.09 : 174,250.14 = 72,564.84 : x
  2. Step 2: Convert to fraction form
    126,261.09/174,250.14 = 72,564.84/x
  3. Step 3: Cross multiply
    126,261.09x = 174,250.14 × 72,564.84
  4. Step 4: Simplify right side
    126,261.09x = 12,644,433,529.08
  5. Step 5: Solve for x
    x = 12,644,433,529.08/126,261.09
  6. Step 6: Final answer
    x = 100,145.13

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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.