Home / 222,726.31-307,339.29-136,688.92

Finding the Fourth Proportional to 222,726.31, 307,339.29 and 136,688.92

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Solution

The fourth proportional to 222,726.31, 307,339.29 and 136,688.92 is: 188,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,726.31 : 307,339.29 = 136,688.92 : x
  2. Step 2: Convert to fraction form
    222,726.31/307,339.29 = 136,688.92/x
  3. Step 3: Cross multiply
    222,726.31x = 307,339.29 × 136,688.92
  4. Step 4: Simplify right side
    222,726.31x = 42,009,874,470.88
  5. Step 5: Solve for x
    x = 42,009,874,470.88/222,726.31
  6. Step 6: Final answer
    x = 188,616.58

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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.