Home / 118,775.27-163,909.60-64,327.27

Finding the Fourth Proportional to 118,775.27, 163,909.60 and 64,327.27

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Solution

The fourth proportional to 118,775.27, 163,909.60 and 64,327.27 is: 88,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,775.27 : 163,909.60 = 64,327.27 : x
  2. Step 2: Convert to fraction form
    118,775.27/163,909.60 = 64,327.27/x
  3. Step 3: Cross multiply
    118,775.27x = 163,909.60 × 64,327.27
  4. Step 4: Simplify right side
    118,775.27x = 10,543,857,138.86
  5. Step 5: Solve for x
    x = 10,543,857,138.86/118,775.27
  6. Step 6: Final answer
    x = 88,771.49

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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.