Home / 108,938.48-150,349.13-61,191.81

Finding the Fourth Proportional to 108,938.48, 150,349.13 and 61,191.81

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Solution

The fourth proportional to 108,938.48, 150,349.13 and 61,191.81 is: 84,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.48 : 150,349.13 = 61,191.81 : x
  2. Step 2: Convert to fraction form
    108,938.48/150,349.13 = 61,191.81/x
  3. Step 3: Cross multiply
    108,938.48x = 150,349.13 × 61,191.81
  4. Step 4: Simplify right side
    108,938.48x = 9,200,135,549.60
  5. Step 5: Solve for x
    x = 9,200,135,549.60/108,938.48
  6. Step 6: Final answer
    x = 84,452.58

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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.