Home / 206,303.02-309,457.24-66,061.64

Finding the Fourth Proportional to 206,303.02, 309,457.24 and 66,061.64

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Solution

The fourth proportional to 206,303.02, 309,457.24 and 66,061.64 is: 99,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,303.02 : 309,457.24 = 66,061.64 : x
  2. Step 2: Convert to fraction form
    206,303.02/309,457.24 = 66,061.64/x
  3. Step 3: Cross multiply
    206,303.02x = 309,457.24 × 66,061.64
  4. Step 4: Simplify right side
    206,303.02x = 20,443,252,784.27
  5. Step 5: Solve for x
    x = 20,443,252,784.27/206,303.02
  6. Step 6: Final answer
    x = 99,093.33

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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.