Home / 118,221.60-163,145.18-64,506.44

Finding the Fourth Proportional to 118,221.60, 163,145.18 and 64,506.44

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Solution

The fourth proportional to 118,221.60, 163,145.18 and 64,506.44 is: 89,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,221.60 : 163,145.18 = 64,506.44 : x
  2. Step 2: Convert to fraction form
    118,221.60/163,145.18 = 64,506.44/x
  3. Step 3: Cross multiply
    118,221.60x = 163,145.18 × 64,506.44
  4. Step 4: Simplify right side
    118,221.60x = 10,523,914,764.96
  5. Step 5: Solve for x
    x = 10,523,914,764.96/118,221.60
  6. Step 6: Final answer
    x = 89,018.54

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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.