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Finding the Fourth Proportional to 104,682.94, 157,085.94 and 38,127.08

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Solution

The fourth proportional to 104,682.94, 157,085.94 and 38,127.08 is: 57,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682.94 : 157,085.94 = 38,127.08 : x
  2. Step 2: Convert to fraction form
    104,682.94/157,085.94 = 38,127.08/x
  3. Step 3: Cross multiply
    104,682.94x = 157,085.94 × 38,127.08
  4. Step 4: Simplify right side
    104,682.94x = 5,989,228,201.26
  5. Step 5: Solve for x
    x = 5,989,228,201.26/104,682.94
  6. Step 6: Final answer
    x = 57,213.03

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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.