Home / 102,781.51-154,139.46-32,644.42

Finding the Fourth Proportional to 102,781.51, 154,139.46 and 32,644.42

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Solution

The fourth proportional to 102,781.51, 154,139.46 and 32,644.42 is: 48,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,781.51 : 154,139.46 = 32,644.42 : x
  2. Step 2: Convert to fraction form
    102,781.51/154,139.46 = 32,644.42/x
  3. Step 3: Cross multiply
    102,781.51x = 154,139.46 × 32,644.42
  4. Step 4: Simplify right side
    102,781.51x = 5,031,793,270.81
  5. Step 5: Solve for x
    x = 5,031,793,270.81/102,781.51
  6. Step 6: Final answer
    x = 48,956.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.