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Finding the Fourth Proportional to 114,486.40, 171,649.60 and 67,715.20

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Solution

The fourth proportional to 114,486.40, 171,649.60 and 67,715.20 is: 101,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,486.40 : 171,649.60 = 67,715.20 : x
  2. Step 2: Convert to fraction form
    114,486.40/171,649.60 = 67,715.20/x
  3. Step 3: Cross multiply
    114,486.40x = 171,649.60 × 67,715.20
  4. Step 4: Simplify right side
    114,486.40x = 11,623,286,993.92
  5. Step 5: Solve for x
    x = 11,623,286,993.92/114,486.40
  6. Step 6: Final answer
    x = 101,525.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.