Home / 112,758.30-169,015.19-56,462.69

Finding the Fourth Proportional to 112,758.30, 169,015.19 and 56,462.69

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Solution

The fourth proportional to 112,758.30, 169,015.19 and 56,462.69 is: 84,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,758.30 : 169,015.19 = 56,462.69 : x
  2. Step 2: Convert to fraction form
    112,758.30/169,015.19 = 56,462.69/x
  3. Step 3: Cross multiply
    112,758.30x = 169,015.19 × 56,462.69
  4. Step 4: Simplify right side
    112,758.30x = 9,543,052,278.26
  5. Step 5: Solve for x
    x = 9,543,052,278.26/112,758.30
  6. Step 6: Final answer
    x = 84,632.81

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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.