Home / 185,070.60-255,397.38-100,187.60

Finding the Fourth Proportional to 185,070.60, 255,397.38 and 100,187.60

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Solution

The fourth proportional to 185,070.60, 255,397.38 and 100,187.60 is: 138,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,070.60 : 255,397.38 = 100,187.60 : x
  2. Step 2: Convert to fraction form
    185,070.60/255,397.38 = 100,187.60/x
  3. Step 3: Cross multiply
    185,070.60x = 255,397.38 × 100,187.60
  4. Step 4: Simplify right side
    185,070.60x = 25,587,650,548.49
  5. Step 5: Solve for x
    x = 25,587,650,548.49/185,070.60
  6. Step 6: Final answer
    x = 138,258.86

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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.