Home / 161,921.03-242,877.90-73,150.70

Finding the Fourth Proportional to 161,921.03, 242,877.90 and 73,150.70

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Solution

The fourth proportional to 161,921.03, 242,877.90 and 73,150.70 is: 109,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.03 : 242,877.90 = 73,150.70 : x
  2. Step 2: Convert to fraction form
    161,921.03/242,877.90 = 73,150.70/x
  3. Step 3: Cross multiply
    161,921.03x = 242,877.90 × 73,150.70
  4. Step 4: Simplify right side
    161,921.03x = 17,766,688,399.53
  5. Step 5: Solve for x
    x = 17,766,688,399.53/161,921.03
  6. Step 6: Final answer
    x = 109,724.40

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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.