Home / 104,215.40-143,816.64-58,908.05

Finding the Fourth Proportional to 104,215.40, 143,816.64 and 58,908.05

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Solution

The fourth proportional to 104,215.40, 143,816.64 and 58,908.05 is: 81,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.40 : 143,816.64 = 58,908.05 : x
  2. Step 2: Convert to fraction form
    104,215.40/143,816.64 = 58,908.05/x
  3. Step 3: Cross multiply
    104,215.40x = 143,816.64 × 58,908.05
  4. Step 4: Simplify right side
    104,215.40x = 8,471,957,819.95
  5. Step 5: Solve for x
    x = 8,471,957,819.95/104,215.40
  6. Step 6: Final answer
    x = 81,292.76

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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.