Home / 147,459.42-221,176.85-76,305.38

Finding the Fourth Proportional to 147,459.42, 221,176.85 and 76,305.38

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Solution

The fourth proportional to 147,459.42, 221,176.85 and 76,305.38 is: 114,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,459.42 : 221,176.85 = 76,305.38 : x
  2. Step 2: Convert to fraction form
    147,459.42/221,176.85 = 76,305.38/x
  3. Step 3: Cross multiply
    147,459.42x = 221,176.85 × 76,305.38
  4. Step 4: Simplify right side
    147,459.42x = 16,876,982,099.04
  5. Step 5: Solve for x
    x = 16,876,982,099.04/147,459.42
  6. Step 6: Final answer
    x = 114,451.71

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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.