Home / 192,119.34-265,116.15-107,234.46

Finding the Fourth Proportional to 192,119.34, 265,116.15 and 107,234.46

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Solution

The fourth proportional to 192,119.34, 265,116.15 and 107,234.46 is: 147,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,119.34 : 265,116.15 = 107,234.46 : x
  2. Step 2: Convert to fraction form
    192,119.34/265,116.15 = 107,234.46/x
  3. Step 3: Cross multiply
    192,119.34x = 265,116.15 × 107,234.46
  4. Step 4: Simplify right side
    192,119.34x = 28,429,587,182.53
  5. Step 5: Solve for x
    x = 28,429,587,182.53/192,119.34
  6. Step 6: Final answer
    x = 147,978.79

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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.