Home / 103,692.08-154,467.96-100,555.86

Finding the Fourth Proportional to 103,692.08, 154,467.96 and 100,555.86

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Solution

The fourth proportional to 103,692.08, 154,467.96 and 100,555.86 is: 149,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692.08 : 154,467.96 = 100,555.86 : x
  2. Step 2: Convert to fraction form
    103,692.08/154,467.96 = 100,555.86/x
  3. Step 3: Cross multiply
    103,692.08x = 154,467.96 × 100,555.86
  4. Step 4: Simplify right side
    103,692.08x = 15,532,658,560.25
  5. Step 5: Solve for x
    x = 15,532,658,560.25/103,692.08
  6. Step 6: Final answer
    x = 149,796.00

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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.