Home / 108,980.40-150,397.38-61,233.60

Finding the Fourth Proportional to 108,980.40, 150,397.38 and 61,233.60

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Solution

The fourth proportional to 108,980.40, 150,397.38 and 61,233.60 is: 84,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980.40 : 150,397.38 = 61,233.60 : x
  2. Step 2: Convert to fraction form
    108,980.40/150,397.38 = 61,233.60/x
  3. Step 3: Cross multiply
    108,980.40x = 150,397.38 × 61,233.60
  4. Step 4: Simplify right side
    108,980.40x = 9,209,373,007.97
  5. Step 5: Solve for x
    x = 9,209,373,007.97/108,980.40
  6. Step 6: Final answer
    x = 84,504.86

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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.