Home / 150,980.03-208,355.08-82,999.87

Finding the Fourth Proportional to 150,980.03, 208,355.08 and 82,999.87

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Solution

The fourth proportional to 150,980.03, 208,355.08 and 82,999.87 is: 114,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,980.03 : 208,355.08 = 82,999.87 : x
  2. Step 2: Convert to fraction form
    150,980.03/208,355.08 = 82,999.87/x
  3. Step 3: Cross multiply
    150,980.03x = 208,355.08 × 82,999.87
  4. Step 4: Simplify right side
    150,980.03x = 17,293,444,553.84
  5. Step 5: Solve for x
    x = 17,293,444,553.84/150,980.03
  6. Step 6: Final answer
    x = 114,541.27

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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.