Home / 136,444.62-188,277.25-78,298.37

Finding the Fourth Proportional to 136,444.62, 188,277.25 and 78,298.37

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Solution

The fourth proportional to 136,444.62, 188,277.25 and 78,298.37 is: 108,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.62 : 188,277.25 = 78,298.37 : x
  2. Step 2: Convert to fraction form
    136,444.62/188,277.25 = 78,298.37/x
  3. Step 3: Cross multiply
    136,444.62x = 188,277.25 × 78,298.37
  4. Step 4: Simplify right side
    136,444.62x = 14,741,802,339.95
  5. Step 5: Solve for x
    x = 14,741,802,339.95/136,444.62
  6. Step 6: Final answer
    x = 108,042.38

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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.