Home / 126,272.02-188,373.07-122,839.78

Finding the Fourth Proportional to 126,272.02, 188,373.07 and 122,839.78

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Solution

The fourth proportional to 126,272.02, 188,373.07 and 122,839.78 is: 183,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.02 : 188,373.07 = 122,839.78 : x
  2. Step 2: Convert to fraction form
    126,272.02/188,373.07 = 122,839.78/x
  3. Step 3: Cross multiply
    126,272.02x = 188,373.07 × 122,839.78
  4. Step 4: Simplify right side
    126,272.02x = 23,139,706,476.72
  5. Step 5: Solve for x
    x = 23,139,706,476.72/126,272.02
  6. Step 6: Final answer
    x = 183,252.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.