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Finding the Fourth Proportional to 171,107.74, 256,575.95 and 52,763.70

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Solution

The fourth proportional to 171,107.74, 256,575.95 and 52,763.70 is: 79,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,107.74 : 256,575.95 = 52,763.70 : x
  2. Step 2: Convert to fraction form
    171,107.74/256,575.95 = 52,763.70/x
  3. Step 3: Cross multiply
    171,107.74x = 256,575.95 × 52,763.70
  4. Step 4: Simplify right side
    171,107.74x = 13,537,896,189.20
  5. Step 5: Solve for x
    x = 13,537,896,189.20/171,107.74
  6. Step 6: Final answer
    x = 79,119.14

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1.5x scale

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.