Home / 105,600.46-145,727.42-57,201.46

Finding the Fourth Proportional to 105,600.46, 145,727.42 and 57,201.46

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Solution

The fourth proportional to 105,600.46, 145,727.42 and 57,201.46 is: 78,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,600.46 : 145,727.42 = 57,201.46 : x
  2. Step 2: Convert to fraction form
    105,600.46/145,727.42 = 57,201.46/x
  3. Step 3: Cross multiply
    105,600.46x = 145,727.42 × 57,201.46
  4. Step 4: Simplify right side
    105,600.46x = 8,335,821,407.35
  5. Step 5: Solve for x
    x = 8,335,821,407.35/105,600.46
  6. Step 6: Final answer
    x = 78,937.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.