Home / 222,778.15-307,429.83-125,980.52

Finding the Fourth Proportional to 222,778.15, 307,429.83 and 125,980.52

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Solution

The fourth proportional to 222,778.15, 307,429.83 and 125,980.52 is: 173,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.15 : 307,429.83 = 125,980.52 : x
  2. Step 2: Convert to fraction form
    222,778.15/307,429.83 = 125,980.52/x
  3. Step 3: Cross multiply
    222,778.15x = 307,429.83 × 125,980.52
  4. Step 4: Simplify right side
    222,778.15x = 38,730,168,309.76
  5. Step 5: Solve for x
    x = 38,730,168,309.76/222,778.15
  6. Step 6: Final answer
    x = 173,850.84

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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.