Home / 161,589.95-242,419.66-80,581.12

Finding the Fourth Proportional to 161,589.95, 242,419.66 and 80,581.12

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Solution

The fourth proportional to 161,589.95, 242,419.66 and 80,581.12 is: 120,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,589.95 : 242,419.66 = 80,581.12 : x
  2. Step 2: Convert to fraction form
    161,589.95/242,419.66 = 80,581.12/x
  3. Step 3: Cross multiply
    161,589.95x = 242,419.66 × 80,581.12
  4. Step 4: Simplify right side
    161,589.95x = 19,534,446,905.32
  5. Step 5: Solve for x
    x = 19,534,446,905.32/161,589.95
  6. Step 6: Final answer
    x = 120,889.00

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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.