Home / 222,233.52-306,689.60-121,631.52

Finding the Fourth Proportional to 222,233.52, 306,689.60 and 121,631.52

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Solution

The fourth proportional to 222,233.52, 306,689.60 and 121,631.52 is: 167,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,233.52 : 306,689.60 = 121,631.52 : x
  2. Step 2: Convert to fraction form
    222,233.52/306,689.60 = 121,631.52/x
  3. Step 3: Cross multiply
    222,233.52x = 306,689.60 × 121,631.52
  4. Step 4: Simplify right side
    222,233.52x = 37,303,122,216.19
  5. Step 5: Solve for x
    x = 37,303,122,216.19/222,233.52
  6. Step 6: Final answer
    x = 167,855.52

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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.