Home / 112,296.55-154,843.37-76,507.51

Finding the Fourth Proportional to 112,296.55, 154,843.37 and 76,507.51

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Solution

The fourth proportional to 112,296.55, 154,843.37 and 76,507.51 is: 105,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.55 : 154,843.37 = 76,507.51 : x
  2. Step 2: Convert to fraction form
    112,296.55/154,843.37 = 76,507.51/x
  3. Step 3: Cross multiply
    112,296.55x = 154,843.37 × 76,507.51
  4. Step 4: Simplify right side
    112,296.55x = 11,846,680,296.17
  5. Step 5: Solve for x
    x = 11,846,680,296.17/112,296.55
  6. Step 6: Final answer
    x = 105,494.61

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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.