Home / 167,569.58-231,357.36-128,738.23

Finding the Fourth Proportional to 167,569.58, 231,357.36 and 128,738.23

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Solution

The fourth proportional to 167,569.58, 231,357.36 and 128,738.23 is: 177,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,569.58 : 231,357.36 = 128,738.23 : x
  2. Step 2: Convert to fraction form
    167,569.58/231,357.36 = 128,738.23/x
  3. Step 3: Cross multiply
    167,569.58x = 231,357.36 × 128,738.23
  4. Step 4: Simplify right side
    167,569.58x = 29,784,535,223.39
  5. Step 5: Solve for x
    x = 29,784,535,223.39/167,569.58
  6. Step 6: Final answer
    x = 177,744.29

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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.