Home / 76,081.04-114,177.64-36,100.16

Finding the Fourth Proportional to 76,081.04, 114,177.64 and 36,100.16

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Solution

The fourth proportional to 76,081.04, 114,177.64 and 36,100.16 is: 54,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081.04 : 114,177.64 = 36,100.16 : x
  2. Step 2: Convert to fraction form
    76,081.04/114,177.64 = 36,100.16/x
  3. Step 3: Cross multiply
    76,081.04x = 114,177.64 × 36,100.16
  4. Step 4: Simplify right side
    76,081.04x = 4,121,831,072.42
  5. Step 5: Solve for x
    x = 4,121,831,072.42/76,081.04
  6. Step 6: Final answer
    x = 54,176.85

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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.