Home / 136,472.73-188,327.37-76,040.22

Finding the Fourth Proportional to 136,472.73, 188,327.37 and 76,040.22

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Solution

The fourth proportional to 136,472.73, 188,327.37 and 76,040.22 is: 104,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,472.73 : 188,327.37 = 76,040.22 : x
  2. Step 2: Convert to fraction form
    136,472.73/188,327.37 = 76,040.22/x
  3. Step 3: Cross multiply
    136,472.73x = 188,327.37 × 76,040.22
  4. Step 4: Simplify right side
    136,472.73x = 14,320,454,646.82
  5. Step 5: Solve for x
    x = 14,320,454,646.82/136,472.73
  6. Step 6: Final answer
    x = 104,932.72

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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.