Home / 236,692.96-326,638.90-129,266.16

Finding the Fourth Proportional to 236,692.96, 326,638.90 and 129,266.16

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Solution

The fourth proportional to 236,692.96, 326,638.90 and 129,266.16 is: 178,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,692.96 : 326,638.90 = 129,266.16 : x
  2. Step 2: Convert to fraction form
    236,692.96/326,638.90 = 129,266.16/x
  3. Step 3: Cross multiply
    236,692.96x = 326,638.90 × 129,266.16
  4. Step 4: Simplify right side
    236,692.96x = 42,223,356,309.62
  5. Step 5: Solve for x
    x = 42,223,356,309.62/236,692.96
  6. Step 6: Final answer
    x = 178,388.73

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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.