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Finding the Fourth Proportional to 162,351.81, 224,142.39 and 101,974.14

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Solution

The fourth proportional to 162,351.81, 224,142.39 and 101,974.14 is: 140,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,351.81 : 224,142.39 = 101,974.14 : x
  2. Step 2: Convert to fraction form
    162,351.81/224,142.39 = 101,974.14/x
  3. Step 3: Cross multiply
    162,351.81x = 224,142.39 × 101,974.14
  4. Step 4: Simplify right side
    162,351.81x = 22,856,727,457.79
  5. Step 5: Solve for x
    x = 22,856,727,457.79/162,351.81
  6. Step 6: Final answer
    x = 140,785.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.