Home / 220,738.03-304,609.48-125,242.67

Finding the Fourth Proportional to 220,738.03, 304,609.48 and 125,242.67

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Solution

The fourth proportional to 220,738.03, 304,609.48 and 125,242.67 is: 172,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,738.03 : 304,609.48 = 125,242.67 : x
  2. Step 2: Convert to fraction form
    220,738.03/304,609.48 = 125,242.67/x
  3. Step 3: Cross multiply
    220,738.03x = 304,609.48 × 125,242.67
  4. Step 4: Simplify right side
    220,738.03x = 38,150,105,030.93
  5. Step 5: Solve for x
    x = 38,150,105,030.93/220,738.03
  6. Step 6: Final answer
    x = 172,829.78

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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.