Home / 180,287.73-248,571.06-115,643.07

Finding the Fourth Proportional to 180,287.73, 248,571.06 and 115,643.07

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Solution

The fourth proportional to 180,287.73, 248,571.06 and 115,643.07 is: 159,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,287.73 : 248,571.06 = 115,643.07 : x
  2. Step 2: Convert to fraction form
    180,287.73/248,571.06 = 115,643.07/x
  3. Step 3: Cross multiply
    180,287.73x = 248,571.06 × 115,643.07
  4. Step 4: Simplify right side
    180,287.73x = 28,745,520,491.55
  5. Step 5: Solve for x
    x = 28,745,520,491.55/180,287.73
  6. Step 6: Final answer
    x = 159,442.47

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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.