Home / 172,790.18-259,007.53-66,149.02

Finding the Fourth Proportional to 172,790.18, 259,007.53 and 66,149.02

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Solution

The fourth proportional to 172,790.18, 259,007.53 and 66,149.02 is: 99,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,790.18 : 259,007.53 = 66,149.02 : x
  2. Step 2: Convert to fraction form
    172,790.18/259,007.53 = 66,149.02/x
  3. Step 3: Cross multiply
    172,790.18x = 259,007.53 × 66,149.02
  4. Step 4: Simplify right side
    172,790.18x = 17,133,094,282.12
  5. Step 5: Solve for x
    x = 17,133,094,282.12/172,790.18
  6. Step 6: Final answer
    x = 99,155.49

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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.