Home / 150,966.21-208,329.12-82,983.32

Finding the Fourth Proportional to 150,966.21, 208,329.12 and 82,983.32

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Solution

The fourth proportional to 150,966.21, 208,329.12 and 82,983.32 is: 114,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,966.21 : 208,329.12 = 82,983.32 : x
  2. Step 2: Convert to fraction form
    150,966.21/208,329.12 = 82,983.32/x
  3. Step 3: Cross multiply
    150,966.21x = 208,329.12 × 82,983.32
  4. Step 4: Simplify right side
    150,966.21x = 17,287,840,988.63
  5. Step 5: Solve for x
    x = 17,287,840,988.63/150,966.21
  6. Step 6: Final answer
    x = 114,514.64

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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.