Home / 161,834.96-242,432.04-76,328.72

Finding the Fourth Proportional to 161,834.96, 242,432.04 and 76,328.72

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Solution

The fourth proportional to 161,834.96, 242,432.04 and 76,328.72 is: 114,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.96 : 242,432.04 = 76,328.72 : x
  2. Step 2: Convert to fraction form
    161,834.96/242,432.04 = 76,328.72/x
  3. Step 3: Cross multiply
    161,834.96x = 242,432.04 × 76,328.72
  4. Step 4: Simplify right side
    161,834.96x = 18,504,527,300.19
  5. Step 5: Solve for x
    x = 18,504,527,300.19/161,834.96
  6. Step 6: Final answer
    x = 114,341.96

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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.