Home / 112,281.38-154,974.36-74,047.83

Finding the Fourth Proportional to 112,281.38, 154,974.36 and 74,047.83

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Solution

The fourth proportional to 112,281.38, 154,974.36 and 74,047.83 is: 102,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,281.38 : 154,974.36 = 74,047.83 : x
  2. Step 2: Convert to fraction form
    112,281.38/154,974.36 = 74,047.83/x
  3. Step 3: Cross multiply
    112,281.38x = 154,974.36 × 74,047.83
  4. Step 4: Simplify right side
    112,281.38x = 11,475,515,063.64
  5. Step 5: Solve for x
    x = 11,475,515,063.64/112,281.38
  6. Step 6: Final answer
    x = 102,203.19

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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.