Home / 102,017.96-153,048.60-31,902.56

Finding the Fourth Proportional to 102,017.96, 153,048.60 and 31,902.56

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Solution

The fourth proportional to 102,017.96, 153,048.60 and 31,902.56 is: 47,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,017.96 : 153,048.60 = 31,902.56 : x
  2. Step 2: Convert to fraction form
    102,017.96/153,048.60 = 31,902.56/x
  3. Step 3: Cross multiply
    102,017.96x = 153,048.60 × 31,902.56
  4. Step 4: Simplify right side
    102,017.96x = 4,882,642,144.42
  5. Step 5: Solve for x
    x = 4,882,642,144.42/102,017.96
  6. Step 6: Final answer
    x = 47,860.61

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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.