Home / 172,986.18-259,470-46,624.38

Finding the Fourth Proportional to 172,986.18, 259,470 and 46,624.38

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Solution

The fourth proportional to 172,986.18, 259,470 and 46,624.38 is: 69,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,986.18 : 259,470 = 46,624.38 : x
  2. Step 2: Convert to fraction form
    172,986.18/259,470 = 46,624.38/x
  3. Step 3: Cross multiply
    172,986.18x = 259,470 × 46,624.38
  4. Step 4: Simplify right side
    172,986.18x = 12,097,627,878.60
  5. Step 5: Solve for x
    x = 12,097,627,878.60/172,986.18
  6. Step 6: Final answer
    x = 69,934.07

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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.