Home / 108,614.27-149,887.46-66,172.84

Finding the Fourth Proportional to 108,614.27, 149,887.46 and 66,172.84

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Solution

The fourth proportional to 108,614.27, 149,887.46 and 66,172.84 is: 91,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.27 : 149,887.46 = 66,172.84 : x
  2. Step 2: Convert to fraction form
    108,614.27/149,887.46 = 66,172.84/x
  3. Step 3: Cross multiply
    108,614.27x = 149,887.46 × 66,172.84
  4. Step 4: Simplify right side
    108,614.27x = 9,918,478,699.30
  5. Step 5: Solve for x
    x = 9,918,478,699.30/108,614.27
  6. Step 6: Final answer
    x = 91,318.37

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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.