Home / 221,359.04-305,500.96-123,252.16

Finding the Fourth Proportional to 221,359.04, 305,500.96 and 123,252.16

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Solution

The fourth proportional to 221,359.04, 305,500.96 and 123,252.16 is: 170,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,359.04 : 305,500.96 = 123,252.16 : x
  2. Step 2: Convert to fraction form
    221,359.04/305,500.96 = 123,252.16/x
  3. Step 3: Cross multiply
    221,359.04x = 305,500.96 × 123,252.16
  4. Step 4: Simplify right side
    221,359.04x = 37,653,653,202.07
  5. Step 5: Solve for x
    x = 37,653,653,202.07/221,359.04
  6. Step 6: Final answer
    x = 170,102.17

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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.