Home / 238,080.25-357,120.38-71,868.25

Finding the Fourth Proportional to 238,080.25, 357,120.38 and 71,868.25

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Solution

The fourth proportional to 238,080.25, 357,120.38 and 71,868.25 is: 107,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.25 : 357,120.38 = 71,868.25 : x
  2. Step 2: Convert to fraction form
    238,080.25/357,120.38 = 71,868.25/x
  3. Step 3: Cross multiply
    238,080.25x = 357,120.38 × 71,868.25
  4. Step 4: Simplify right side
    238,080.25x = 25,665,616,749.94
  5. Step 5: Solve for x
    x = 25,665,616,749.94/238,080.25
  6. Step 6: Final answer
    x = 107,802.38

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1.5x scale

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.