Home / 102,713.18-154,057.59-27,828.68

Finding the Fourth Proportional to 102,713.18, 154,057.59 and 27,828.68

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Solution

The fourth proportional to 102,713.18, 154,057.59 and 27,828.68 is: 41,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,713.18 : 154,057.59 = 27,828.68 : x
  2. Step 2: Convert to fraction form
    102,713.18/154,057.59 = 27,828.68/x
  3. Step 3: Cross multiply
    102,713.18x = 154,057.59 × 27,828.68
  4. Step 4: Simplify right side
    102,713.18x = 4,287,218,603.39
  5. Step 5: Solve for x
    x = 4,287,218,603.39/102,713.18
  6. Step 6: Final answer
    x = 41,739.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.