Home / 220,724.24-304,593.72-128,861.12

Finding the Fourth Proportional to 220,724.24, 304,593.72 and 128,861.12

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Solution

The fourth proportional to 220,724.24, 304,593.72 and 128,861.12 is: 177,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,724.24 : 304,593.72 = 128,861.12 : x
  2. Step 2: Convert to fraction form
    220,724.24/304,593.72 = 128,861.12/x
  3. Step 3: Cross multiply
    220,724.24x = 304,593.72 × 128,861.12
  4. Step 4: Simplify right side
    220,724.24x = 39,250,287,904.17
  5. Step 5: Solve for x
    x = 39,250,287,904.17/220,724.24
  6. Step 6: Final answer
    x = 177,825.00

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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.