Home / 102,016.10-152,914.80-38,811.80

Finding the Fourth Proportional to 102,016.10, 152,914.80 and 38,811.80

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Solution

The fourth proportional to 102,016.10, 152,914.80 and 38,811.80 is: 58,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,016.10 : 152,914.80 = 38,811.80 : x
  2. Step 2: Convert to fraction form
    102,016.10/152,914.80 = 38,811.80/x
  3. Step 3: Cross multiply
    102,016.10x = 152,914.80 × 38,811.80
  4. Step 4: Simplify right side
    102,016.10x = 5,934,898,634.64
  5. Step 5: Solve for x
    x = 5,934,898,634.64/102,016.10
  6. Step 6: Final answer
    x = 58,176.10

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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.