Home / 112,027.10-167,931.30-100,217.30

Finding the Fourth Proportional to 112,027.10, 167,931.30 and 100,217.30

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Solution

The fourth proportional to 112,027.10, 167,931.30 and 100,217.30 is: 150,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,027.10 : 167,931.30 = 100,217.30 : x
  2. Step 2: Convert to fraction form
    112,027.10/167,931.30 = 100,217.30/x
  3. Step 3: Cross multiply
    112,027.10x = 167,931.30 × 100,217.30
  4. Step 4: Simplify right side
    112,027.10x = 16,829,621,471.49
  5. Step 5: Solve for x
    x = 16,829,621,471.49/112,027.10
  6. Step 6: Final answer
    x = 150,228.13

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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.