Home / 103,389.36-155,098.56-50,800.92

Finding the Fourth Proportional to 103,389.36, 155,098.56 and 50,800.92

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Solution

The fourth proportional to 103,389.36, 155,098.56 and 50,800.92 is: 76,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389.36 : 155,098.56 = 50,800.92 : x
  2. Step 2: Convert to fraction form
    103,389.36/155,098.56 = 50,800.92/x
  3. Step 3: Cross multiply
    103,389.36x = 155,098.56 × 50,800.92
  4. Step 4: Simplify right side
    103,389.36x = 7,879,149,538.68
  5. Step 5: Solve for x
    x = 7,879,149,538.68/103,389.36
  6. Step 6: Final answer
    x = 76,208.51

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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.