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Finding the Fourth Proportional to 107,372.76, 161,122.50 and 40,868.88

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Solution

The fourth proportional to 107,372.76, 161,122.50 and 40,868.88 is: 61,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,372.76 : 161,122.50 = 40,868.88 : x
  2. Step 2: Convert to fraction form
    107,372.76/161,122.50 = 40,868.88/x
  3. Step 3: Cross multiply
    107,372.76x = 161,122.50 × 40,868.88
  4. Step 4: Simplify right side
    107,372.76x = 6,584,896,117.80
  5. Step 5: Solve for x
    x = 6,584,896,117.80/107,372.76
  6. Step 6: Final answer
    x = 61,327.44

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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.