Home / 103,683.08-154,454.55-100,546.86

Finding the Fourth Proportional to 103,683.08, 154,454.55 and 100,546.86

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Solution

The fourth proportional to 103,683.08, 154,454.55 and 100,546.86 is: 149,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.08 : 154,454.55 = 100,546.86 : x
  2. Step 2: Convert to fraction form
    103,683.08/154,454.55 = 100,546.86/x
  3. Step 3: Cross multiply
    103,683.08x = 154,454.55 × 100,546.86
  4. Step 4: Simplify right side
    103,683.08x = 15,529,920,015.21
  5. Step 5: Solve for x
    x = 15,529,920,015.21/103,683.08
  6. Step 6: Final answer
    x = 149,782.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.