Home / 220,758.54-304,688.78-125,274.12

Finding the Fourth Proportional to 220,758.54, 304,688.78 and 125,274.12

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Solution

The fourth proportional to 220,758.54, 304,688.78 and 125,274.12 is: 172,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,758.54 : 304,688.78 = 125,274.12 : x
  2. Step 2: Convert to fraction form
    220,758.54/304,688.78 = 125,274.12/x
  3. Step 3: Cross multiply
    220,758.54x = 304,688.78 × 125,274.12
  4. Step 4: Simplify right side
    220,758.54x = 38,169,618,788.37
  5. Step 5: Solve for x
    x = 38,169,618,788.37/220,758.54
  6. Step 6: Final answer
    x = 172,902.12

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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.