Home / 161,465.60-242,089.05-82,514.90

Finding the Fourth Proportional to 161,465.60, 242,089.05 and 82,514.90

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Solution

The fourth proportional to 161,465.60, 242,089.05 and 82,514.90 is: 123,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,465.60 : 242,089.05 = 82,514.90 : x
  2. Step 2: Convert to fraction form
    161,465.60/242,089.05 = 82,514.90/x
  3. Step 3: Cross multiply
    161,465.60x = 242,089.05 × 82,514.90
  4. Step 4: Simplify right side
    161,465.60x = 19,975,953,751.85
  5. Step 5: Solve for x
    x = 19,975,953,751.85/161,465.60
  6. Step 6: Final answer
    x = 123,716.47

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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.