Home / 169,758.06-254,692.38-81,000.09

Finding the Fourth Proportional to 169,758.06, 254,692.38 and 81,000.09

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Solution

The fourth proportional to 169,758.06, 254,692.38 and 81,000.09 is: 121,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,758.06 : 254,692.38 = 81,000.09 : x
  2. Step 2: Convert to fraction form
    169,758.06/254,692.38 = 81,000.09/x
  3. Step 3: Cross multiply
    169,758.06x = 254,692.38 × 81,000.09
  4. Step 4: Simplify right side
    169,758.06x = 20,630,105,702.31
  5. Step 5: Solve for x
    x = 20,630,105,702.31/169,758.06
  6. Step 6: Final answer
    x = 121,526.52

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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.