Home / 161,480.04-242,138.66-49,138.71

Finding the Fourth Proportional to 161,480.04, 242,138.66 and 49,138.71

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Solution

The fourth proportional to 161,480.04, 242,138.66 and 49,138.71 is: 73,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,480.04 : 242,138.66 = 49,138.71 : x
  2. Step 2: Convert to fraction form
    161,480.04/242,138.66 = 49,138.71/x
  3. Step 3: Cross multiply
    161,480.04x = 242,138.66 × 49,138.71
  4. Step 4: Simplify right side
    161,480.04x = 11,898,381,147.84
  5. Step 5: Solve for x
    x = 11,898,381,147.84/161,480.04
  6. Step 6: Final answer
    x = 73,683.29

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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.