Home / 100,687.02-151,033.90-30,566.13

Finding the Fourth Proportional to 100,687.02, 151,033.90 and 30,566.13

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Solution

The fourth proportional to 100,687.02, 151,033.90 and 30,566.13 is: 45,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,687.02 : 151,033.90 = 30,566.13 : x
  2. Step 2: Convert to fraction form
    100,687.02/151,033.90 = 30,566.13/x
  3. Step 3: Cross multiply
    100,687.02x = 151,033.90 × 30,566.13
  4. Step 4: Simplify right side
    100,687.02x = 4,616,521,821.81
  5. Step 5: Solve for x
    x = 4,616,521,821.81/100,687.02
  6. Step 6: Final answer
    x = 45,850.22

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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.