Home / 201,724.70-302,499.56-68,569.20

Finding the Fourth Proportional to 201,724.70, 302,499.56 and 68,569.20

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Solution

The fourth proportional to 201,724.70, 302,499.56 and 68,569.20 is: 102,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,724.70 : 302,499.56 = 68,569.20 : x
  2. Step 2: Convert to fraction form
    201,724.70/302,499.56 = 68,569.20/x
  3. Step 3: Cross multiply
    201,724.70x = 302,499.56 × 68,569.20
  4. Step 4: Simplify right side
    201,724.70x = 20,742,152,829.55
  5. Step 5: Solve for x
    x = 20,742,152,829.55/201,724.70
  6. Step 6: Final answer
    x = 102,824.06

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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.