Home / 216,728.03-299,144.79-126,101.50

Finding the Fourth Proportional to 216,728.03, 299,144.79 and 126,101.50

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Solution

The fourth proportional to 216,728.03, 299,144.79 and 126,101.50 is: 174,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,728.03 : 299,144.79 = 126,101.50 : x
  2. Step 2: Convert to fraction form
    216,728.03/299,144.79 = 126,101.50/x
  3. Step 3: Cross multiply
    216,728.03x = 299,144.79 × 126,101.50
  4. Step 4: Simplify right side
    216,728.03x = 37,722,607,110.12
  5. Step 5: Solve for x
    x = 37,722,607,110.12/216,728.03
  6. Step 6: Final answer
    x = 174,055.04

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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.