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Finding the Fourth Proportional to 136,162.40, 203,840.40 and 101,256.80

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Solution

The fourth proportional to 136,162.40, 203,840.40 and 101,256.80 is: 151,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,162.40 : 203,840.40 = 101,256.80 : x
  2. Step 2: Convert to fraction form
    136,162.40/203,840.40 = 101,256.80/x
  3. Step 3: Cross multiply
    136,162.40x = 203,840.40 × 101,256.80
  4. Step 4: Simplify right side
    136,162.40x = 20,640,226,614.72
  5. Step 5: Solve for x
    x = 20,640,226,614.72/136,162.40
  6. Step 6: Final answer
    x = 151,585.36

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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.