Home / 228,143.06-314,831.64-126,165.81

Finding the Fourth Proportional to 228,143.06, 314,831.64 and 126,165.81

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Solution

The fourth proportional to 228,143.06, 314,831.64 and 126,165.81 is: 174,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,143.06 : 314,831.64 = 126,165.81 : x
  2. Step 2: Convert to fraction form
    228,143.06/314,831.64 = 126,165.81/x
  3. Step 3: Cross multiply
    228,143.06x = 314,831.64 × 126,165.81
  4. Step 4: Simplify right side
    228,143.06x = 39,720,987,913.88
  5. Step 5: Solve for x
    x = 39,720,987,913.88/228,143.06
  6. Step 6: Final answer
    x = 174,105.62

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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.