Home / 168,375.19-231,827.34-142,828.60

Finding the Fourth Proportional to 168,375.19, 231,827.34 and 142,828.60

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Solution

The fourth proportional to 168,375.19, 231,827.34 and 142,828.60 is: 196,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,375.19 : 231,827.34 = 142,828.60 : x
  2. Step 2: Convert to fraction form
    168,375.19/231,827.34 = 142,828.60/x
  3. Step 3: Cross multiply
    168,375.19x = 231,827.34 × 142,828.60
  4. Step 4: Simplify right side
    168,375.19x = 33,111,574,402.93
  5. Step 5: Solve for x
    x = 33,111,574,402.93/168,375.19
  6. Step 6: Final answer
    x = 196,653.52

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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.