Home / 161,714.30-242,571.45-138,094.70

Finding the Fourth Proportional to 161,714.30, 242,571.45 and 138,094.70

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Solution

The fourth proportional to 161,714.30, 242,571.45 and 138,094.70 is: 207,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,714.30 : 242,571.45 = 138,094.70 : x
  2. Step 2: Convert to fraction form
    161,714.30/242,571.45 = 138,094.70/x
  3. Step 3: Cross multiply
    161,714.30x = 242,571.45 × 138,094.70
  4. Step 4: Simplify right side
    161,714.30x = 33,497,831,616.32
  5. Step 5: Solve for x
    x = 33,497,831,616.32/161,714.30
  6. Step 6: Final answer
    x = 207,142.05

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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.