Home / 185,070.60-255,397.14-100,187.64

Finding the Fourth Proportional to 185,070.60, 255,397.14 and 100,187.64

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Solution

The fourth proportional to 185,070.60, 255,397.14 and 100,187.64 is: 138,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,070.60 : 255,397.14 = 100,187.64 : x
  2. Step 2: Convert to fraction form
    185,070.60/255,397.14 = 100,187.64/x
  3. Step 3: Cross multiply
    185,070.60x = 255,397.14 × 100,187.64
  4. Step 4: Simplify right side
    185,070.60x = 25,587,636,719.35
  5. Step 5: Solve for x
    x = 25,587,636,719.35/185,070.60
  6. Step 6: Final answer
    x = 138,258.79

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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.