Home / 76,155.39-114,165.27-36,149.69

Finding the Fourth Proportional to 76,155.39, 114,165.27 and 36,149.69

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Solution

The fourth proportional to 76,155.39, 114,165.27 and 36,149.69 is: 54,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,155.39 : 114,165.27 = 36,149.69 : x
  2. Step 2: Convert to fraction form
    76,155.39/114,165.27 = 36,149.69/x
  3. Step 3: Cross multiply
    76,155.39x = 114,165.27 × 36,149.69
  4. Step 4: Simplify right side
    76,155.39x = 4,127,039,404.68
  5. Step 5: Solve for x
    x = 4,127,039,404.68/76,155.39
  6. Step 6: Final answer
    x = 54,192.35

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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.