Home / 161,772.30-242,802.45-95,129.10

Finding the Fourth Proportional to 161,772.30, 242,802.45 and 95,129.10

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Solution

The fourth proportional to 161,772.30, 242,802.45 and 95,129.10 is: 142,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.30 : 242,802.45 = 95,129.10 : x
  2. Step 2: Convert to fraction form
    161,772.30/242,802.45 = 95,129.10/x
  3. Step 3: Cross multiply
    161,772.30x = 242,802.45 × 95,129.10
  4. Step 4: Simplify right side
    161,772.30x = 23,097,578,546.30
  5. Step 5: Solve for x
    x = 23,097,578,546.30/161,772.30
  6. Step 6: Final answer
    x = 142,778.33

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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.