Home / 206,621.58-309,931.34-73,506.74

Finding the Fourth Proportional to 206,621.58, 309,931.34 and 73,506.74

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Solution

The fourth proportional to 206,621.58, 309,931.34 and 73,506.74 is: 110,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,621.58 : 309,931.34 = 73,506.74 : x
  2. Step 2: Convert to fraction form
    206,621.58/309,931.34 = 73,506.74/x
  3. Step 3: Cross multiply
    206,621.58x = 309,931.34 × 73,506.74
  4. Step 4: Simplify right side
    206,621.58x = 22,782,042,427.23
  5. Step 5: Solve for x
    x = 22,782,042,427.23/206,621.58
  6. Step 6: Final answer
    x = 110,259.74

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1.5x scale

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.