Home / 216,727.76-299,144.40-126,101.22

Finding the Fourth Proportional to 216,727.76, 299,144.40 and 126,101.22

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Solution

The fourth proportional to 216,727.76, 299,144.40 and 126,101.22 is: 174,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,727.76 : 299,144.40 = 126,101.22 : x
  2. Step 2: Convert to fraction form
    216,727.76/299,144.40 = 126,101.22/x
  3. Step 3: Cross multiply
    216,727.76x = 299,144.40 × 126,101.22
  4. Step 4: Simplify right side
    216,727.76x = 37,722,473,796.17
  5. Step 5: Solve for x
    x = 37,722,473,796.17/216,727.76
  6. Step 6: Final answer
    x = 174,054.65

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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.