Home / 170,015.30-254,634.15-86,812.10

Finding the Fourth Proportional to 170,015.30, 254,634.15 and 86,812.10

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Solution

The fourth proportional to 170,015.30, 254,634.15 and 86,812.10 is: 130,019.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,015.30 : 254,634.15 = 86,812.10 : x
  2. Step 2: Convert to fraction form
    170,015.30/254,634.15 = 86,812.10/x
  3. Step 3: Cross multiply
    170,015.30x = 254,634.15 × 86,812.10
  4. Step 4: Simplify right side
    170,015.30x = 22,105,325,293.22
  5. Step 5: Solve for x
    x = 22,105,325,293.22/170,015.30
  6. Step 6: Final answer
    x = 130,019.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.