Home / 161,732.43-242,499.83-77,518.35

Finding the Fourth Proportional to 161,732.43, 242,499.83 and 77,518.35

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Solution

The fourth proportional to 161,732.43, 242,499.83 and 77,518.35 is: 116,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,732.43 : 242,499.83 = 77,518.35 : x
  2. Step 2: Convert to fraction form
    161,732.43/242,499.83 = 77,518.35/x
  3. Step 3: Cross multiply
    161,732.43x = 242,499.83 × 77,518.35
  4. Step 4: Simplify right side
    161,732.43x = 18,798,186,309.29
  5. Step 5: Solve for x
    x = 18,798,186,309.29/161,732.43
  6. Step 6: Final answer
    x = 116,230.16

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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.