Home / 126,690.46-174,976.32-86,334.15

Finding the Fourth Proportional to 126,690.46, 174,976.32 and 86,334.15

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Solution

The fourth proportional to 126,690.46, 174,976.32 and 86,334.15 is: 119,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.46 : 174,976.32 = 86,334.15 : x
  2. Step 2: Convert to fraction form
    126,690.46/174,976.32 = 86,334.15/x
  3. Step 3: Cross multiply
    126,690.46x = 174,976.32 × 86,334.15
  4. Step 4: Simplify right side
    126,690.46x = 15,106,432,837.24
  5. Step 5: Solve for x
    x = 15,106,432,837.24/126,690.46
  6. Step 6: Final answer
    x = 119,238.92

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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.