Home / 68,110.32-102,165.36-21,366.72

Finding the Fourth Proportional to 68,110.32, 102,165.36 and 21,366.72

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Solution

The fourth proportional to 68,110.32, 102,165.36 and 21,366.72 is: 32,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,110.32 : 102,165.36 = 21,366.72 : x
  2. Step 2: Convert to fraction form
    68,110.32/102,165.36 = 21,366.72/x
  3. Step 3: Cross multiply
    68,110.32x = 102,165.36 × 21,366.72
  4. Step 4: Simplify right side
    68,110.32x = 2,182,938,640.82
  5. Step 5: Solve for x
    x = 2,182,938,640.82/68,110.32
  6. Step 6: Final answer
    x = 32,050.04

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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.