Home / 133,139.45-199,808.36-97,692.36

Finding the Fourth Proportional to 133,139.45, 199,808.36 and 97,692.36

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Solution

The fourth proportional to 133,139.45, 199,808.36 and 97,692.36 is: 146,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139.45 : 199,808.36 = 97,692.36 : x
  2. Step 2: Convert to fraction form
    133,139.45/199,808.36 = 97,692.36/x
  3. Step 3: Cross multiply
    133,139.45x = 199,808.36 × 97,692.36
  4. Step 4: Simplify right side
    133,139.45x = 19,519,749,747.67
  5. Step 5: Solve for x
    x = 19,519,749,747.67/133,139.45
  6. Step 6: Final answer
    x = 146,611.32

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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.