Home / 161,838.50-242,757.75-51,030.50

Finding the Fourth Proportional to 161,838.50, 242,757.75 and 51,030.50

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Solution

The fourth proportional to 161,838.50, 242,757.75 and 51,030.50 is: 76,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838.50 : 242,757.75 = 51,030.50 : x
  2. Step 2: Convert to fraction form
    161,838.50/242,757.75 = 51,030.50/x
  3. Step 3: Cross multiply
    161,838.50x = 242,757.75 × 51,030.50
  4. Step 4: Simplify right side
    161,838.50x = 12,388,049,361.38
  5. Step 5: Solve for x
    x = 12,388,049,361.38/161,838.50
  6. Step 6: Final answer
    x = 76,545.75

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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.