Home / 201,966.17-278,979.53-150,890.13

Finding the Fourth Proportional to 201,966.17, 278,979.53 and 150,890.13

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Solution

The fourth proportional to 201,966.17, 278,979.53 and 150,890.13 is: 208,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,966.17 : 278,979.53 = 150,890.13 : x
  2. Step 2: Convert to fraction form
    201,966.17/278,979.53 = 150,890.13/x
  3. Step 3: Cross multiply
    201,966.17x = 278,979.53 × 150,890.13
  4. Step 4: Simplify right side
    201,966.17x = 42,095,256,794.59
  5. Step 5: Solve for x
    x = 42,095,256,794.59/201,966.17
  6. Step 6: Final answer
    x = 208,427.27

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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.