Home / 221,970.03-306,318.24-119,995.56

Finding the Fourth Proportional to 221,970.03, 306,318.24 and 119,995.56

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Solution

The fourth proportional to 221,970.03, 306,318.24 and 119,995.56 is: 165,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,970.03 : 306,318.24 = 119,995.56 : x
  2. Step 2: Convert to fraction form
    221,970.03/306,318.24 = 119,995.56/x
  3. Step 3: Cross multiply
    221,970.03x = 306,318.24 × 119,995.56
  4. Step 4: Simplify right side
    221,970.03x = 36,756,828,747.01
  5. Step 5: Solve for x
    x = 36,756,828,747.01/221,970.03
  6. Step 6: Final answer
    x = 165,593.66

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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.