Home / 157,112.20-235,668.30-74,168.20

Finding the Fourth Proportional to 157,112.20, 235,668.30 and 74,168.20

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Solution

The fourth proportional to 157,112.20, 235,668.30 and 74,168.20 is: 111,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112.20 : 235,668.30 = 74,168.20 : x
  2. Step 2: Convert to fraction form
    157,112.20/235,668.30 = 74,168.20/x
  3. Step 3: Cross multiply
    157,112.20x = 235,668.30 × 74,168.20
  4. Step 4: Simplify right side
    157,112.20x = 17,479,093,608.06
  5. Step 5: Solve for x
    x = 17,479,093,608.06/157,112.20
  6. Step 6: Final answer
    x = 111,252.30

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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.