Home / 170,634.64-255,989.31-52,315.21

Finding the Fourth Proportional to 170,634.64, 255,989.31 and 52,315.21

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Solution

The fourth proportional to 170,634.64, 255,989.31 and 52,315.21 is: 78,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,634.64 : 255,989.31 = 52,315.21 : x
  2. Step 2: Convert to fraction form
    170,634.64/255,989.31 = 52,315.21/x
  3. Step 3: Cross multiply
    170,634.64x = 255,989.31 × 52,315.21
  4. Step 4: Simplify right side
    170,634.64x = 13,392,134,510.41
  5. Step 5: Solve for x
    x = 13,392,134,510.41/170,634.64
  6. Step 6: Final answer
    x = 78,484.27

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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.