Home / 126,992.49-190,464.10-120,670.23

Finding the Fourth Proportional to 126,992.49, 190,464.10 and 120,670.23

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Solution

The fourth proportional to 126,992.49, 190,464.10 and 120,670.23 is: 180,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992.49 : 190,464.10 = 120,670.23 : x
  2. Step 2: Convert to fraction form
    126,992.49/190,464.10 = 120,670.23/x
  3. Step 3: Cross multiply
    126,992.49x = 190,464.10 × 120,670.23
  4. Step 4: Simplify right side
    126,992.49x = 22,983,346,753.74
  5. Step 5: Solve for x
    x = 22,983,346,753.74/126,992.49
  6. Step 6: Final answer
    x = 180,981.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.