Home / 122,241.28-168,692.40-68,526.24

Finding the Fourth Proportional to 122,241.28, 168,692.40 and 68,526.24

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Solution

The fourth proportional to 122,241.28, 168,692.40 and 68,526.24 is: 94,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,241.28 : 168,692.40 = 68,526.24 : x
  2. Step 2: Convert to fraction form
    122,241.28/168,692.40 = 68,526.24/x
  3. Step 3: Cross multiply
    122,241.28x = 168,692.40 × 68,526.24
  4. Step 4: Simplify right side
    122,241.28x = 11,559,855,888.58
  5. Step 5: Solve for x
    x = 11,559,855,888.58/122,241.28
  6. Step 6: Final answer
    x = 94,565.89

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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.