Home / 161,552.69-242,329.10-77,293.02

Finding the Fourth Proportional to 161,552.69, 242,329.10 and 77,293.02

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Solution

The fourth proportional to 161,552.69, 242,329.10 and 77,293.02 is: 115,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,552.69 : 242,329.10 = 77,293.02 : x
  2. Step 2: Convert to fraction form
    161,552.69/242,329.10 = 77,293.02/x
  3. Step 3: Cross multiply
    161,552.69x = 242,329.10 × 77,293.02
  4. Step 4: Simplify right side
    161,552.69x = 18,730,347,586.42
  5. Step 5: Solve for x
    x = 18,730,347,586.42/161,552.69
  6. Step 6: Final answer
    x = 115,939.56

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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.