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Finding the Fourth Proportional to 115,993.96, 160,069.02 and 67,592.86

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Solution

The fourth proportional to 115,993.96, 160,069.02 and 67,592.86 is: 93,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,993.96 : 160,069.02 = 67,592.86 : x
  2. Step 2: Convert to fraction form
    115,993.96/160,069.02 = 67,592.86/x
  3. Step 3: Cross multiply
    115,993.96x = 160,069.02 × 67,592.86
  4. Step 4: Simplify right side
    115,993.96x = 10,819,522,058.85
  5. Step 5: Solve for x
    x = 10,819,522,058.85/115,993.96
  6. Step 6: Final answer
    x = 93,276.60

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1.5x scale

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.