Home / 239,138.03-330,147.73-158,674.66

Finding the Fourth Proportional to 239,138.03, 330,147.73 and 158,674.66

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Solution

The fourth proportional to 239,138.03, 330,147.73 and 158,674.66 is: 219,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,138.03 : 330,147.73 = 158,674.66 : x
  2. Step 2: Convert to fraction form
    239,138.03/330,147.73 = 158,674.66/x
  3. Step 3: Cross multiply
    239,138.03x = 330,147.73 × 158,674.66
  4. Step 4: Simplify right side
    239,138.03x = 52,386,078,180.50
  5. Step 5: Solve for x
    x = 52,386,078,180.50/239,138.03
  6. Step 6: Final answer
    x = 219,062.09

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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.