Home / 136,444.31-188,298.96-76,014.92

Finding the Fourth Proportional to 136,444.31, 188,298.96 and 76,014.92

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Solution

The fourth proportional to 136,444.31, 188,298.96 and 76,014.92 is: 104,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.31 : 188,298.96 = 76,014.92 : x
  2. Step 2: Convert to fraction form
    136,444.31/188,298.96 = 76,014.92/x
  3. Step 3: Cross multiply
    136,444.31x = 188,298.96 × 76,014.92
  4. Step 4: Simplify right side
    136,444.31x = 14,313,530,380.48
  5. Step 5: Solve for x
    x = 14,313,530,380.48/136,444.31
  6. Step 6: Final answer
    x = 104,903.83

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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.