Home / 172,428.26-237,872.84-124,605.86

Finding the Fourth Proportional to 172,428.26, 237,872.84 and 124,605.86

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Solution

The fourth proportional to 172,428.26, 237,872.84 and 124,605.86 is: 171,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.26 : 237,872.84 = 124,605.86 : x
  2. Step 2: Convert to fraction form
    172,428.26/237,872.84 = 124,605.86/x
  3. Step 3: Cross multiply
    172,428.26x = 237,872.84 × 124,605.86
  4. Step 4: Simplify right side
    172,428.26x = 29,640,349,798.84
  5. Step 5: Solve for x
    x = 29,640,349,798.84/172,428.26
  6. Step 6: Final answer
    x = 171,899.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.