Home / 118,771.60-178,032.85-55,538.43

Finding the Fourth Proportional to 118,771.60, 178,032.85 and 55,538.43

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Solution

The fourth proportional to 118,771.60, 178,032.85 and 55,538.43 is: 83,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,771.60 : 178,032.85 = 55,538.43 : x
  2. Step 2: Convert to fraction form
    118,771.60/178,032.85 = 55,538.43/x
  3. Step 3: Cross multiply
    118,771.60x = 178,032.85 × 55,538.43
  4. Step 4: Simplify right side
    118,771.60x = 9,887,664,624.60
  5. Step 5: Solve for x
    x = 9,887,664,624.60/118,771.60
  6. Step 6: Final answer
    x = 83,249.40

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1.5x scale

Why These Related Problems?

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