Home / 268,724.59-402,970.14-81,692.35

Finding the Fourth Proportional to 268,724.59, 402,970.14 and 81,692.35

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Solution

The fourth proportional to 268,724.59, 402,970.14 and 81,692.35 is: 122,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,724.59 : 402,970.14 = 81,692.35 : x
  2. Step 2: Convert to fraction form
    268,724.59/402,970.14 = 81,692.35/x
  3. Step 3: Cross multiply
    268,724.59x = 402,970.14 × 81,692.35
  4. Step 4: Simplify right side
    268,724.59x = 32,919,576,709.00
  5. Step 5: Solve for x
    x = 32,919,576,709.00/268,724.59
  6. Step 6: Final answer
    x = 122,503.03

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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.