Home / 228,849.56-315,831.09-126,906.98

Finding the Fourth Proportional to 228,849.56, 315,831.09 and 126,906.98

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Solution

The fourth proportional to 228,849.56, 315,831.09 and 126,906.98 is: 175,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,849.56 : 315,831.09 = 126,906.98 : x
  2. Step 2: Convert to fraction form
    228,849.56/315,831.09 = 126,906.98/x
  3. Step 3: Cross multiply
    228,849.56x = 315,831.09 × 126,906.98
  4. Step 4: Simplify right side
    228,849.56x = 40,081,169,822.01
  5. Step 5: Solve for x
    x = 40,081,169,822.01/228,849.56
  6. Step 6: Final answer
    x = 175,142.00

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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.