Home / 219,724.34-303,211.31-124,233.09

Finding the Fourth Proportional to 219,724.34, 303,211.31 and 124,233.09

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Solution

The fourth proportional to 219,724.34, 303,211.31 and 124,233.09 is: 171,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,724.34 : 303,211.31 = 124,233.09 : x
  2. Step 2: Convert to fraction form
    219,724.34/303,211.31 = 124,233.09/x
  3. Step 3: Cross multiply
    219,724.34x = 303,211.31 × 124,233.09
  4. Step 4: Simplify right side
    219,724.34x = 37,668,875,827.03
  5. Step 5: Solve for x
    x = 37,668,875,827.03/219,724.34
  6. Step 6: Final answer
    x = 171,436.97

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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.