Home / 170,214.75-255,299.14-70,361.09

Finding the Fourth Proportional to 170,214.75, 255,299.14 and 70,361.09

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Solution

The fourth proportional to 170,214.75, 255,299.14 and 70,361.09 is: 105,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,214.75 : 255,299.14 = 70,361.09 : x
  2. Step 2: Convert to fraction form
    170,214.75/255,299.14 = 70,361.09/x
  3. Step 3: Cross multiply
    170,214.75x = 255,299.14 × 70,361.09
  4. Step 4: Simplify right side
    170,214.75x = 17,963,125,535.29
  5. Step 5: Solve for x
    x = 17,963,125,535.29/170,214.75
  6. Step 6: Final answer
    x = 105,532.13

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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.