Home / 104,128.54-156,192.82-25,242.77

Finding the Fourth Proportional to 104,128.54, 156,192.82 and 25,242.77

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Solution

The fourth proportional to 104,128.54, 156,192.82 and 25,242.77 is: 37,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.54 : 156,192.82 = 25,242.77 : x
  2. Step 2: Convert to fraction form
    104,128.54/156,192.82 = 25,242.77/x
  3. Step 3: Cross multiply
    104,128.54x = 156,192.82 × 25,242.77
  4. Step 4: Simplify right side
    104,128.54x = 3,942,739,430.91
  5. Step 5: Solve for x
    x = 3,942,739,430.91/104,128.54
  6. Step 6: Final answer
    x = 37,864.16

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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.