Home / 161,609.53-242,083.81-131,730.25

Finding the Fourth Proportional to 161,609.53, 242,083.81 and 131,730.25

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Solution

The fourth proportional to 161,609.53, 242,083.81 and 131,730.25 is: 197,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,609.53 : 242,083.81 = 131,730.25 : x
  2. Step 2: Convert to fraction form
    161,609.53/242,083.81 = 131,730.25/x
  3. Step 3: Cross multiply
    161,609.53x = 242,083.81 × 131,730.25
  4. Step 4: Simplify right side
    161,609.53x = 31,889,760,812.25
  5. Step 5: Solve for x
    x = 31,889,760,812.25/161,609.53
  6. Step 6: Final answer
    x = 197,325.99

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1.5x scale

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.