Home / 220,782.45-304,662.41-125,289.14

Finding the Fourth Proportional to 220,782.45, 304,662.41 and 125,289.14

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Solution

The fourth proportional to 220,782.45, 304,662.41 and 125,289.14 is: 172,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,782.45 : 304,662.41 = 125,289.14 : x
  2. Step 2: Convert to fraction form
    220,782.45/304,662.41 = 125,289.14/x
  3. Step 3: Cross multiply
    220,782.45x = 304,662.41 × 125,289.14
  4. Step 4: Simplify right side
    220,782.45x = 38,170,892,414.11
  5. Step 5: Solve for x
    x = 38,170,892,414.11/220,782.45
  6. Step 6: Final answer
    x = 172,889.16

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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.