Home / 102,939.03-154,386.95-29,049.75

Finding the Fourth Proportional to 102,939.03, 154,386.95 and 29,049.75

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Solution

The fourth proportional to 102,939.03, 154,386.95 and 29,049.75 is: 43,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939.03 : 154,386.95 = 29,049.75 : x
  2. Step 2: Convert to fraction form
    102,939.03/154,386.95 = 29,049.75/x
  3. Step 3: Cross multiply
    102,939.03x = 154,386.95 × 29,049.75
  4. Step 4: Simplify right side
    102,939.03x = 4,484,902,155.51
  5. Step 5: Solve for x
    x = 4,484,902,155.51/102,939.03
  6. Step 6: Final answer
    x = 43,568.53

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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.