Home / 221,011.02-304,995.24-120,409.02

Finding the Fourth Proportional to 221,011.02, 304,995.24 and 120,409.02

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Solution

The fourth proportional to 221,011.02, 304,995.24 and 120,409.02 is: 166,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011.02 : 304,995.24 = 120,409.02 : x
  2. Step 2: Convert to fraction form
    221,011.02/304,995.24 = 120,409.02/x
  3. Step 3: Cross multiply
    221,011.02x = 304,995.24 × 120,409.02
  4. Step 4: Simplify right side
    221,011.02x = 36,724,177,953.06
  5. Step 5: Solve for x
    x = 36,724,177,953.06/221,011.02
  6. Step 6: Final answer
    x = 166,164.47

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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.