Home / 192,785.02-266,139.88-121,204.51

Finding the Fourth Proportional to 192,785.02, 266,139.88 and 121,204.51

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Solution

The fourth proportional to 192,785.02, 266,139.88 and 121,204.51 is: 167,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,785.02 : 266,139.88 = 121,204.51 : x
  2. Step 2: Convert to fraction form
    192,785.02/266,139.88 = 121,204.51/x
  3. Step 3: Cross multiply
    192,785.02x = 266,139.88 × 121,204.51
  4. Step 4: Simplify right side
    192,785.02x = 32,257,352,778.50
  5. Step 5: Solve for x
    x = 32,257,352,778.50/192,785.02
  6. Step 6: Final answer
    x = 167,322.92

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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.