Home / 104,053.10-143,599.79-58,738.76

Finding the Fourth Proportional to 104,053.10, 143,599.79 and 58,738.76

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Solution

The fourth proportional to 104,053.10, 143,599.79 and 58,738.76 is: 81,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,053.10 : 143,599.79 = 58,738.76 : x
  2. Step 2: Convert to fraction form
    104,053.10/143,599.79 = 58,738.76/x
  3. Step 3: Cross multiply
    104,053.10x = 143,599.79 × 58,738.76
  4. Step 4: Simplify right side
    104,053.10x = 8,434,873,717.40
  5. Step 5: Solve for x
    x = 8,434,873,717.40/104,053.10
  6. Step 6: Final answer
    x = 81,063.16

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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.