Home / 177,738.28-245,119.86-147,475.64

Finding the Fourth Proportional to 177,738.28, 245,119.86 and 147,475.64

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Solution

The fourth proportional to 177,738.28, 245,119.86 and 147,475.64 is: 203,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,738.28 : 245,119.86 = 147,475.64 : x
  2. Step 2: Convert to fraction form
    177,738.28/245,119.86 = 147,475.64/x
  3. Step 3: Cross multiply
    177,738.28x = 245,119.86 × 147,475.64
  4. Step 4: Simplify right side
    177,738.28x = 36,149,208,230.21
  5. Step 5: Solve for x
    x = 36,149,208,230.21/177,738.28
  6. Step 6: Final answer
    x = 203,384.48

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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.