Home / 151,208.10-226,803.09-66,943.62

Finding the Fourth Proportional to 151,208.10, 226,803.09 and 66,943.62

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Solution

The fourth proportional to 151,208.10, 226,803.09 and 66,943.62 is: 100,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,208.10 : 226,803.09 = 66,943.62 : x
  2. Step 2: Convert to fraction form
    151,208.10/226,803.09 = 66,943.62/x
  3. Step 3: Cross multiply
    151,208.10x = 226,803.09 × 66,943.62
  4. Step 4: Simplify right side
    151,208.10x = 15,183,019,871.79
  5. Step 5: Solve for x
    x = 15,183,019,871.79/151,208.10
  6. Step 6: Final answer
    x = 100,411.42

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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.