Home / 161,505.28-242,270-43,173.92

Finding the Fourth Proportional to 161,505.28, 242,270 and 43,173.92

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Solution

The fourth proportional to 161,505.28, 242,270 and 43,173.92 is: 64,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,505.28 : 242,270 = 43,173.92 : x
  2. Step 2: Convert to fraction form
    161,505.28/242,270 = 43,173.92/x
  3. Step 3: Cross multiply
    161,505.28x = 242,270 × 43,173.92
  4. Step 4: Simplify right side
    161,505.28x = 10,459,745,598.40
  5. Step 5: Solve for x
    x = 10,459,745,598.40/161,505.28
  6. Step 6: Final answer
    x = 64,764.11

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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.