Home / 112,311.29-168,507.03-48,242.52

Finding the Fourth Proportional to 112,311.29, 168,507.03 and 48,242.52

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Solution

The fourth proportional to 112,311.29, 168,507.03 and 48,242.52 is: 72,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,311.29 : 168,507.03 = 48,242.52 : x
  2. Step 2: Convert to fraction form
    112,311.29/168,507.03 = 48,242.52/x
  3. Step 3: Cross multiply
    112,311.29x = 168,507.03 × 48,242.52
  4. Step 4: Simplify right side
    112,311.29x = 8,129,203,764.92
  5. Step 5: Solve for x
    x = 8,129,203,764.92/112,311.29
  6. Step 6: Final answer
    x = 72,381.01

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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.