Home / 68,050.32-102,080.64-18,130.24

Finding the Fourth Proportional to 68,050.32, 102,080.64 and 18,130.24

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Solution

The fourth proportional to 68,050.32, 102,080.64 and 18,130.24 is: 27,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,050.32 : 102,080.64 = 18,130.24 : x
  2. Step 2: Convert to fraction form
    68,050.32/102,080.64 = 18,130.24/x
  3. Step 3: Cross multiply
    68,050.32x = 102,080.64 × 18,130.24
  4. Step 4: Simplify right side
    68,050.32x = 1,850,746,502.55
  5. Step 5: Solve for x
    x = 1,850,746,502.55/68,050.32
  6. Step 6: Final answer
    x = 27,196.73

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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.