Home / 104,089.01-156,141.39-40,878.63

Finding the Fourth Proportional to 104,089.01, 156,141.39 and 40,878.63

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Solution

The fourth proportional to 104,089.01, 156,141.39 and 40,878.63 is: 61,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.01 : 156,141.39 = 40,878.63 : x
  2. Step 2: Convert to fraction form
    104,089.01/156,141.39 = 40,878.63/x
  3. Step 3: Cross multiply
    104,089.01x = 156,141.39 × 40,878.63
  4. Step 4: Simplify right side
    104,089.01x = 6,382,846,109.50
  5. Step 5: Solve for x
    x = 6,382,846,109.50/104,089.01
  6. Step 6: Final answer
    x = 61,321.04

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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.