Home / 108,938.12-150,348.96-61,194.08

Finding the Fourth Proportional to 108,938.12, 150,348.96 and 61,194.08

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Solution

The fourth proportional to 108,938.12, 150,348.96 and 61,194.08 is: 84,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.12 : 150,348.96 = 61,194.08 : x
  2. Step 2: Convert to fraction form
    108,938.12/150,348.96 = 61,194.08/x
  3. Step 3: Cross multiply
    108,938.12x = 150,348.96 × 61,194.08
  4. Step 4: Simplify right side
    108,938.12x = 9,200,466,662.03
  5. Step 5: Solve for x
    x = 9,200,466,662.03/108,938.12
  6. Step 6: Final answer
    x = 84,455.90

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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.