Home / 161,557.20-242,318.70-43,240.50

Finding the Fourth Proportional to 161,557.20, 242,318.70 and 43,240.50

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Solution

The fourth proportional to 161,557.20, 242,318.70 and 43,240.50 is: 64,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,557.20 : 242,318.70 = 43,240.50 : x
  2. Step 2: Convert to fraction form
    161,557.20/242,318.70 = 43,240.50/x
  3. Step 3: Cross multiply
    161,557.20x = 242,318.70 × 43,240.50
  4. Step 4: Simplify right side
    161,557.20x = 10,477,981,747.35
  5. Step 5: Solve for x
    x = 10,477,981,747.35/161,557.20
  6. Step 6: Final answer
    x = 64,856.17

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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.