Home / 105,799.64-146,003.28-58,053.56

Finding the Fourth Proportional to 105,799.64, 146,003.28 and 58,053.56

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Solution

The fourth proportional to 105,799.64, 146,003.28 and 58,053.56 is: 80,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,799.64 : 146,003.28 = 58,053.56 : x
  2. Step 2: Convert to fraction form
    105,799.64/146,003.28 = 58,053.56/x
  3. Step 3: Cross multiply
    105,799.64x = 146,003.28 × 58,053.56
  4. Step 4: Simplify right side
    105,799.64x = 8,476,010,175.68
  5. Step 5: Solve for x
    x = 8,476,010,175.68/105,799.64
  6. Step 6: Final answer
    x = 80,113.79

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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.