Home / 165,831.12-228,853.12-94,223.28

Finding the Fourth Proportional to 165,831.12, 228,853.12 and 94,223.28

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Solution

The fourth proportional to 165,831.12, 228,853.12 and 94,223.28 is: 130,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831.12 : 228,853.12 = 94,223.28 : x
  2. Step 2: Convert to fraction form
    165,831.12/228,853.12 = 94,223.28/x
  3. Step 3: Cross multiply
    165,831.12x = 228,853.12 × 94,223.28
  4. Step 4: Simplify right side
    165,831.12x = 21,563,291,604.63
  5. Step 5: Solve for x
    x = 21,563,291,604.63/165,831.12
  6. Step 6: Final answer
    x = 130,031.63

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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.