Home / 221,724.72-305,980.06-119,750.24

Finding the Fourth Proportional to 221,724.72, 305,980.06 and 119,750.24

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Solution

The fourth proportional to 221,724.72, 305,980.06 and 119,750.24 is: 165,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,724.72 : 305,980.06 = 119,750.24 : x
  2. Step 2: Convert to fraction form
    221,724.72/305,980.06 = 119,750.24/x
  3. Step 3: Cross multiply
    221,724.72x = 305,980.06 × 119,750.24
  4. Step 4: Simplify right side
    221,724.72x = 36,641,185,620.21
  5. Step 5: Solve for x
    x = 36,641,185,620.21/221,724.72
  6. Step 6: Final answer
    x = 165,255.30

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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.