Home / 158,145.14-218,218.74-94,469.42

Finding the Fourth Proportional to 158,145.14, 218,218.74 and 94,469.42

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Solution

The fourth proportional to 158,145.14, 218,218.74 and 94,469.42 is: 130,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,145.14 : 218,218.74 = 94,469.42 : x
  2. Step 2: Convert to fraction form
    158,145.14/218,218.74 = 94,469.42/x
  3. Step 3: Cross multiply
    158,145.14x = 218,218.74 × 94,469.42
  4. Step 4: Simplify right side
    158,145.14x = 20,614,997,800.93
  5. Step 5: Solve for x
    x = 20,614,997,800.93/158,145.14
  6. Step 6: Final answer
    x = 130,354.92

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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.