Home / 76,181.28-114,228.16-40,598.78

Finding the Fourth Proportional to 76,181.28, 114,228.16 and 40,598.78

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Solution

The fourth proportional to 76,181.28, 114,228.16 and 40,598.78 is: 60,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.28 : 114,228.16 = 40,598.78 : x
  2. Step 2: Convert to fraction form
    76,181.28/114,228.16 = 40,598.78/x
  3. Step 3: Cross multiply
    76,181.28x = 114,228.16 × 40,598.78
  4. Step 4: Simplify right side
    76,181.28x = 4,637,523,937.64
  5. Step 5: Solve for x
    x = 4,637,523,937.64/76,181.28
  6. Step 6: Final answer
    x = 60,874.85

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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.