Home / 104,128.18-156,198.32-29,254.16

Finding the Fourth Proportional to 104,128.18, 156,198.32 and 29,254.16

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Solution

The fourth proportional to 104,128.18, 156,198.32 and 29,254.16 is: 43,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.18 : 156,198.32 = 29,254.16 : x
  2. Step 2: Convert to fraction form
    104,128.18/156,198.32 = 29,254.16/x
  3. Step 3: Cross multiply
    104,128.18x = 156,198.32 × 29,254.16
  4. Step 4: Simplify right side
    104,128.18x = 4,569,450,700.27
  5. Step 5: Solve for x
    x = 4,569,450,700.27/104,128.18
  6. Step 6: Final answer
    x = 43,882.94

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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.