Home / 112,917.67-169,228.86-46,279.78

Finding the Fourth Proportional to 112,917.67, 169,228.86 and 46,279.78

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Solution

The fourth proportional to 112,917.67, 169,228.86 and 46,279.78 is: 69,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,917.67 : 169,228.86 = 46,279.78 : x
  2. Step 2: Convert to fraction form
    112,917.67/169,228.86 = 46,279.78/x
  3. Step 3: Cross multiply
    112,917.67x = 169,228.86 × 46,279.78
  4. Step 4: Simplify right side
    112,917.67x = 7,831,874,410.45
  5. Step 5: Solve for x
    x = 7,831,874,410.45/112,917.67
  6. Step 6: Final answer
    x = 69,359.16

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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.