Home / 161,719.70-242,623.29-91,648.22

Finding the Fourth Proportional to 161,719.70, 242,623.29 and 91,648.22

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Solution

The fourth proportional to 161,719.70, 242,623.29 and 91,648.22 is: 137,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,719.70 : 242,623.29 = 91,648.22 : x
  2. Step 2: Convert to fraction form
    161,719.70/242,623.29 = 91,648.22/x
  3. Step 3: Cross multiply
    161,719.70x = 242,623.29 × 91,648.22
  4. Step 4: Simplify right side
    161,719.70x = 22,235,992,659.04
  5. Step 5: Solve for x
    x = 22,235,992,659.04/161,719.70
  6. Step 6: Final answer
    x = 137,497.12

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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.