Home / 103,379.79-154,971.27-33,209.91

Finding the Fourth Proportional to 103,379.79, 154,971.27 and 33,209.91

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Solution

The fourth proportional to 103,379.79, 154,971.27 and 33,209.91 is: 49,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,379.79 : 154,971.27 = 33,209.91 : x
  2. Step 2: Convert to fraction form
    103,379.79/154,971.27 = 33,209.91/x
  3. Step 3: Cross multiply
    103,379.79x = 154,971.27 × 33,209.91
  4. Step 4: Simplify right side
    103,379.79x = 5,146,581,929.29
  5. Step 5: Solve for x
    x = 5,146,581,929.29/103,379.79
  6. Step 6: Final answer
    x = 49,783.25

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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.