Home / 149,066.10-205,692.50-100,773.07

Finding the Fourth Proportional to 149,066.10, 205,692.50 and 100,773.07

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Solution

The fourth proportional to 149,066.10, 205,692.50 and 100,773.07 is: 139,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,066.10 : 205,692.50 = 100,773.07 : x
  2. Step 2: Convert to fraction form
    149,066.10/205,692.50 = 100,773.07/x
  3. Step 3: Cross multiply
    149,066.10x = 205,692.50 × 100,773.07
  4. Step 4: Simplify right side
    149,066.10x = 20,728,264,700.98
  5. Step 5: Solve for x
    x = 20,728,264,700.98/149,066.10
  6. Step 6: Final answer
    x = 139,054.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.