Home / 147,971.97-204,206.01-84,313.86

Finding the Fourth Proportional to 147,971.97, 204,206.01 and 84,313.86

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Solution

The fourth proportional to 147,971.97, 204,206.01 and 84,313.86 is: 116,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,971.97 : 204,206.01 = 84,313.86 : x
  2. Step 2: Convert to fraction form
    147,971.97/204,206.01 = 84,313.86/x
  3. Step 3: Cross multiply
    147,971.97x = 204,206.01 × 84,313.86
  4. Step 4: Simplify right side
    147,971.97x = 17,217,396,938.30
  5. Step 5: Solve for x
    x = 17,217,396,938.30/147,971.97
  6. Step 6: Final answer
    x = 116,355.80

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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.