Home / 105,255.38-157,831.90-35,111

Finding the Fourth Proportional to 105,255.38, 157,831.90 and 35,111

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Solution

The fourth proportional to 105,255.38, 157,831.90 and 35,111 is: 52,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255.38 : 157,831.90 = 35,111 : x
  2. Step 2: Convert to fraction form
    105,255.38/157,831.90 = 35,111/x
  3. Step 3: Cross multiply
    105,255.38x = 157,831.90 × 35,111
  4. Step 4: Simplify right side
    105,255.38x = 5,541,635,840.90
  5. Step 5: Solve for x
    x = 5,541,635,840.90/105,255.38
  6. Step 6: Final answer
    x = 52,649.43

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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.