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Finding the Fourth Proportional to 101,090.68, 151,636.02 and 30,960.88

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Solution

The fourth proportional to 101,090.68, 151,636.02 and 30,960.88 is: 46,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,090.68 : 151,636.02 = 30,960.88 : x
  2. Step 2: Convert to fraction form
    101,090.68/151,636.02 = 30,960.88/x
  3. Step 3: Cross multiply
    101,090.68x = 151,636.02 × 30,960.88
  4. Step 4: Simplify right side
    101,090.68x = 4,694,785,237.89
  5. Step 5: Solve for x
    x = 4,694,785,237.89/101,090.68
  6. Step 6: Final answer
    x = 46,441.32

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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.