Home / 161,966.40-242,876.70-73,174.20

Finding the Fourth Proportional to 161,966.40, 242,876.70 and 73,174.20

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Solution

The fourth proportional to 161,966.40, 242,876.70 and 73,174.20 is: 109,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,966.40 : 242,876.70 = 73,174.20 : x
  2. Step 2: Convert to fraction form
    161,966.40/242,876.70 = 73,174.20/x
  3. Step 3: Cross multiply
    161,966.40x = 242,876.70 × 73,174.20
  4. Step 4: Simplify right side
    161,966.40x = 17,772,308,221.14
  5. Step 5: Solve for x
    x = 17,772,308,221.14/161,966.40
  6. Step 6: Final answer
    x = 109,728.36

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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.