Home / 165,831.08-228,852.42-90,382.28

Finding the Fourth Proportional to 165,831.08, 228,852.42 and 90,382.28

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Solution

The fourth proportional to 165,831.08, 228,852.42 and 90,382.28 is: 124,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831.08 : 228,852.42 = 90,382.28 : x
  2. Step 2: Convert to fraction form
    165,831.08/228,852.42 = 90,382.28/x
  3. Step 3: Cross multiply
    165,831.08x = 228,852.42 × 90,382.28
  4. Step 4: Simplify right side
    165,831.08x = 20,684,203,503.12
  5. Step 5: Solve for x
    x = 20,684,203,503.12/165,831.08
  6. Step 6: Final answer
    x = 124,730.56

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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.