Home / 151,759.12-209,447.40-84,705.04

Finding the Fourth Proportional to 151,759.12, 209,447.40 and 84,705.04

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Solution

The fourth proportional to 151,759.12, 209,447.40 and 84,705.04 is: 116,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,759.12 : 209,447.40 = 84,705.04 : x
  2. Step 2: Convert to fraction form
    151,759.12/209,447.40 = 84,705.04/x
  3. Step 3: Cross multiply
    151,759.12x = 209,447.40 × 84,705.04
  4. Step 4: Simplify right side
    151,759.12x = 17,741,250,394.90
  5. Step 5: Solve for x
    x = 17,741,250,394.90/151,759.12
  6. Step 6: Final answer
    x = 116,904.01

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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.