Home / 201,966.92-278,980.56-150,890.88

Finding the Fourth Proportional to 201,966.92, 278,980.56 and 150,890.88

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Solution

The fourth proportional to 201,966.92, 278,980.56 and 150,890.88 is: 208,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,966.92 : 278,980.56 = 150,890.88 : x
  2. Step 2: Convert to fraction form
    201,966.92/278,980.56 = 150,890.88/x
  3. Step 3: Cross multiply
    201,966.92x = 278,980.56 × 150,890.88
  4. Step 4: Simplify right side
    201,966.92x = 42,095,622,201.29
  5. Step 5: Solve for x
    x = 42,095,622,201.29/201,966.92
  6. Step 6: Final answer
    x = 208,428.31

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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.