Home / 103,774.28-155,683.30-33,648.13

Finding the Fourth Proportional to 103,774.28, 155,683.30 and 33,648.13

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Solution

The fourth proportional to 103,774.28, 155,683.30 and 33,648.13 is: 50,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,774.28 : 155,683.30 = 33,648.13 : x
  2. Step 2: Convert to fraction form
    103,774.28/155,683.30 = 33,648.13/x
  3. Step 3: Cross multiply
    103,774.28x = 155,683.30 × 33,648.13
  4. Step 4: Simplify right side
    103,774.28x = 5,238,451,748.99
  5. Step 5: Solve for x
    x = 5,238,451,748.99/103,774.28
  6. Step 6: Final answer
    x = 50,479.29

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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.