Home / 213,547.20-294,724.62-122,901.45

Finding the Fourth Proportional to 213,547.20, 294,724.62 and 122,901.45

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Solution

The fourth proportional to 213,547.20, 294,724.62 and 122,901.45 is: 169,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,547.20 : 294,724.62 = 122,901.45 : x
  2. Step 2: Convert to fraction form
    213,547.20/294,724.62 = 122,901.45/x
  3. Step 3: Cross multiply
    213,547.20x = 294,724.62 × 122,901.45
  4. Step 4: Simplify right side
    213,547.20x = 36,222,083,148.70
  5. Step 5: Solve for x
    x = 36,222,083,148.70/213,547.20
  6. Step 6: Final answer
    x = 169,620.97

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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.