Home / 299,122.26-412,793.63-163,156.20

Finding the Fourth Proportional to 299,122.26, 412,793.63 and 163,156.20

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Solution

The fourth proportional to 299,122.26, 412,793.63 and 163,156.20 is: 225,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,122.26 : 412,793.63 = 163,156.20 : x
  2. Step 2: Convert to fraction form
    299,122.26/412,793.63 = 163,156.20/x
  3. Step 3: Cross multiply
    299,122.26x = 412,793.63 × 163,156.20
  4. Step 4: Simplify right side
    299,122.26x = 67,349,840,055.01
  5. Step 5: Solve for x
    x = 67,349,840,055.01/299,122.26
  6. Step 6: Final answer
    x = 225,158.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.