Home / 177,871.22-245,471.16-105,315.67

Finding the Fourth Proportional to 177,871.22, 245,471.16 and 105,315.67

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Solution

The fourth proportional to 177,871.22, 245,471.16 and 105,315.67 is: 145,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,871.22 : 245,471.16 = 105,315.67 : x
  2. Step 2: Convert to fraction form
    177,871.22/245,471.16 = 105,315.67/x
  3. Step 3: Cross multiply
    177,871.22x = 245,471.16 × 105,315.67
  4. Step 4: Simplify right side
    177,871.22x = 25,851,959,100.06
  5. Step 5: Solve for x
    x = 25,851,959,100.06/177,871.22
  6. Step 6: Final answer
    x = 145,340.88

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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.