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Finding the Fourth Proportional to 171,752.22, 237,020.49 and 103,759.74

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Solution

The fourth proportional to 171,752.22, 237,020.49 and 103,759.74 is: 143,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,752.22 : 237,020.49 = 103,759.74 : x
  2. Step 2: Convert to fraction form
    171,752.22/237,020.49 = 103,759.74/x
  3. Step 3: Cross multiply
    171,752.22x = 237,020.49 × 103,759.74
  4. Step 4: Simplify right side
    171,752.22x = 24,593,184,417.07
  5. Step 5: Solve for x
    x = 24,593,184,417.07/171,752.22
  6. Step 6: Final answer
    x = 143,189.91

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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.