Home / 101,110.29-139,544.55-58,089.70

Finding the Fourth Proportional to 101,110.29, 139,544.55 and 58,089.70

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Solution

The fourth proportional to 101,110.29, 139,544.55 and 58,089.70 is: 80,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,110.29 : 139,544.55 = 58,089.70 : x
  2. Step 2: Convert to fraction form
    101,110.29/139,544.55 = 58,089.70/x
  3. Step 3: Cross multiply
    101,110.29x = 139,544.55 × 58,089.70
  4. Step 4: Simplify right side
    101,110.29x = 8,106,100,755.69
  5. Step 5: Solve for x
    x = 8,106,100,755.69/101,110.29
  6. Step 6: Final answer
    x = 80,170.88

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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.