Home / 180,310.28-247,525.20-154,772.31

Finding the Fourth Proportional to 180,310.28, 247,525.20 and 154,772.31

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Solution

The fourth proportional to 180,310.28, 247,525.20 and 154,772.31 is: 212,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,310.28 : 247,525.20 = 154,772.31 : x
  2. Step 2: Convert to fraction form
    180,310.28/247,525.20 = 154,772.31/x
  3. Step 3: Cross multiply
    180,310.28x = 247,525.20 × 154,772.31
  4. Step 4: Simplify right side
    180,310.28x = 38,310,045,942.71
  5. Step 5: Solve for x
    x = 38,310,045,942.71/180,310.28
  6. Step 6: Final answer
    x = 212,467.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.