Home / 125,541.09-173,196.61-80,207.32

Finding the Fourth Proportional to 125,541.09, 173,196.61 and 80,207.32

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Solution

The fourth proportional to 125,541.09, 173,196.61 and 80,207.32 is: 110,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,541.09 : 173,196.61 = 80,207.32 : x
  2. Step 2: Convert to fraction form
    125,541.09/173,196.61 = 80,207.32/x
  3. Step 3: Cross multiply
    125,541.09x = 173,196.61 × 80,207.32
  4. Step 4: Simplify right side
    125,541.09x = 13,891,635,921.19
  5. Step 5: Solve for x
    x = 13,891,635,921.19/125,541.09
  6. Step 6: Final answer
    x = 110,654.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.