Home / 161,462.70-242,194.18-77,203.04

Finding the Fourth Proportional to 161,462.70, 242,194.18 and 77,203.04

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Solution

The fourth proportional to 161,462.70, 242,194.18 and 77,203.04 is: 115,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,462.70 : 242,194.18 = 77,203.04 : x
  2. Step 2: Convert to fraction form
    161,462.70/242,194.18 = 77,203.04/x
  3. Step 3: Cross multiply
    161,462.70x = 242,194.18 × 77,203.04
  4. Step 4: Simplify right side
    161,462.70x = 18,698,126,966.31
  5. Step 5: Solve for x
    x = 18,698,126,966.31/161,462.70
  6. Step 6: Final answer
    x = 115,804.62

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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.