Home / 103,188.29-154,750.50-49,847.13

Finding the Fourth Proportional to 103,188.29, 154,750.50 and 49,847.13

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Solution

The fourth proportional to 103,188.29, 154,750.50 and 49,847.13 is: 74,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.29 : 154,750.50 = 49,847.13 : x
  2. Step 2: Convert to fraction form
    103,188.29/154,750.50 = 49,847.13/x
  3. Step 3: Cross multiply
    103,188.29x = 154,750.50 × 49,847.13
  4. Step 4: Simplify right side
    103,188.29x = 7,713,868,291.07
  5. Step 5: Solve for x
    x = 7,713,868,291.07/103,188.29
  6. Step 6: Final answer
    x = 74,755.27

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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.