Home / 68,334.40-102,307.20-60,558.40

Finding the Fourth Proportional to 68,334.40, 102,307.20 and 60,558.40

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Solution

The fourth proportional to 68,334.40, 102,307.20 and 60,558.40 is: 90,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.40 : 102,307.20 = 60,558.40 : x
  2. Step 2: Convert to fraction form
    68,334.40/102,307.20 = 60,558.40/x
  3. Step 3: Cross multiply
    68,334.40x = 102,307.20 × 60,558.40
  4. Step 4: Simplify right side
    68,334.40x = 6,195,560,340.48
  5. Step 5: Solve for x
    x = 6,195,560,340.48/68,334.40
  6. Step 6: Final answer
    x = 90,665.32

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1.5x scale

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.