Home / 248,115.70-342,389.19-140,692.96

Finding the Fourth Proportional to 248,115.70, 342,389.19 and 140,692.96

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Solution

The fourth proportional to 248,115.70, 342,389.19 and 140,692.96 is: 194,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,115.70 : 342,389.19 = 140,692.96 : x
  2. Step 2: Convert to fraction form
    248,115.70/342,389.19 = 140,692.96/x
  3. Step 3: Cross multiply
    248,115.70x = 342,389.19 × 140,692.96
  4. Step 4: Simplify right side
    248,115.70x = 48,171,748,613.10
  5. Step 5: Solve for x
    x = 48,171,748,613.10/248,115.70
  6. Step 6: Final answer
    x = 194,150.34

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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.