Home / 103,612.50-155,418.75-33,491.81

Finding the Fourth Proportional to 103,612.50, 155,418.75 and 33,491.81

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Solution

The fourth proportional to 103,612.50, 155,418.75 and 33,491.81 is: 50,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.50 : 155,418.75 = 33,491.81 : x
  2. Step 2: Convert to fraction form
    103,612.50/155,418.75 = 33,491.81/x
  3. Step 3: Cross multiply
    103,612.50x = 155,418.75 × 33,491.81
  4. Step 4: Simplify right side
    103,612.50x = 5,205,255,633.98
  5. Step 5: Solve for x
    x = 5,205,255,633.98/103,612.50
  6. Step 6: Final answer
    x = 50,237.72

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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.