Home / 255,580.64-352,703.60-140,863.36

Finding the Fourth Proportional to 255,580.64, 352,703.60 and 140,863.36

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Solution

The fourth proportional to 255,580.64, 352,703.60 and 140,863.36 is: 194,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,580.64 : 352,703.60 = 140,863.36 : x
  2. Step 2: Convert to fraction form
    255,580.64/352,703.60 = 140,863.36/x
  3. Step 3: Cross multiply
    255,580.64x = 352,703.60 × 140,863.36
  4. Step 4: Simplify right side
    255,580.64x = 49,683,014,180.10
  5. Step 5: Solve for x
    x = 49,683,014,180.10/255,580.64
  6. Step 6: Final answer
    x = 194,392.71

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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.