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Finding the Fourth Proportional to 99,995.40, 150,090.30 and 60,629.40

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Solution

The fourth proportional to 99,995.40, 150,090.30 and 60,629.40 is: 91,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,995.40 : 150,090.30 = 60,629.40 : x
  2. Step 2: Convert to fraction form
    99,995.40/150,090.30 = 60,629.40/x
  3. Step 3: Cross multiply
    99,995.40x = 150,090.30 × 60,629.40
  4. Step 4: Simplify right side
    99,995.40x = 9,099,884,834.82
  5. Step 5: Solve for x
    x = 9,099,884,834.82/99,995.40
  6. Step 6: Final answer
    x = 91,003.03

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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.