Home / 216,891.09-299,237.27-126,227.83

Finding the Fourth Proportional to 216,891.09, 299,237.27 and 126,227.83

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Solution

The fourth proportional to 216,891.09, 299,237.27 and 126,227.83 is: 174,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,891.09 : 299,237.27 = 126,227.83 : x
  2. Step 2: Convert to fraction form
    216,891.09/299,237.27 = 126,227.83/x
  3. Step 3: Cross multiply
    216,891.09x = 299,237.27 × 126,227.83
  4. Step 4: Simplify right side
    216,891.09x = 37,772,070,557.61
  5. Step 5: Solve for x
    x = 37,772,070,557.61/216,891.09
  6. Step 6: Final answer
    x = 174,152.25

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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.