Home / 118,311.20-163,268.21-64,596.05

Finding the Fourth Proportional to 118,311.20, 163,268.21 and 64,596.05

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Solution

The fourth proportional to 118,311.20, 163,268.21 and 64,596.05 is: 89,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,311.20 : 163,268.21 = 64,596.05 : x
  2. Step 2: Convert to fraction form
    118,311.20/163,268.21 = 64,596.05/x
  3. Step 3: Cross multiply
    118,311.20x = 163,268.21 × 64,596.05
  4. Step 4: Simplify right side
    118,311.20x = 10,546,480,317.25
  5. Step 5: Solve for x
    x = 10,546,480,317.25/118,311.20
  6. Step 6: Final answer
    x = 89,141.86

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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.