Home / 193,184.48-266,724.02-120,697.72

Finding the Fourth Proportional to 193,184.48, 266,724.02 and 120,697.72

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Solution

The fourth proportional to 193,184.48, 266,724.02 and 120,697.72 is: 166,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,184.48 : 266,724.02 = 120,697.72 : x
  2. Step 2: Convert to fraction form
    193,184.48/266,724.02 = 120,697.72/x
  3. Step 3: Cross multiply
    193,184.48x = 266,724.02 × 120,697.72
  4. Step 4: Simplify right side
    193,184.48x = 32,192,981,083.23
  5. Step 5: Solve for x
    x = 32,192,981,083.23/193,184.48
  6. Step 6: Final answer
    x = 166,643.72

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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.