Home / 149,207.92-205,885.04-84,667.12

Finding the Fourth Proportional to 149,207.92, 205,885.04 and 84,667.12

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Solution

The fourth proportional to 149,207.92, 205,885.04 and 84,667.12 is: 116,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,207.92 : 205,885.04 = 84,667.12 : x
  2. Step 2: Convert to fraction form
    149,207.92/205,885.04 = 84,667.12/x
  3. Step 3: Cross multiply
    149,207.92x = 205,885.04 × 84,667.12
  4. Step 4: Simplify right side
    149,207.92x = 17,431,693,387.88
  5. Step 5: Solve for x
    x = 17,431,693,387.88/149,207.92
  6. Step 6: Final answer
    x = 116,828.20

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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.