Home / 193,458.48-266,871.96-121,703.28

Finding the Fourth Proportional to 193,458.48, 266,871.96 and 121,703.28

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Solution

The fourth proportional to 193,458.48, 266,871.96 and 121,703.28 is: 167,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,458.48 : 266,871.96 = 121,703.28 : x
  2. Step 2: Convert to fraction form
    193,458.48/266,871.96 = 121,703.28/x
  3. Step 3: Cross multiply
    193,458.48x = 266,871.96 × 121,703.28
  4. Step 4: Simplify right side
    193,458.48x = 32,479,192,872.03
  5. Step 5: Solve for x
    x = 32,479,192,872.03/193,458.48
  6. Step 6: Final answer
    x = 167,887.15

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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.