Home / 154,786.48-213,514.61-97,334.67

Finding the Fourth Proportional to 154,786.48, 213,514.61 and 97,334.67

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Solution

The fourth proportional to 154,786.48, 213,514.61 and 97,334.67 is: 134,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,786.48 : 213,514.61 = 97,334.67 : x
  2. Step 2: Convert to fraction form
    154,786.48/213,514.61 = 97,334.67/x
  3. Step 3: Cross multiply
    154,786.48x = 213,514.61 × 97,334.67
  4. Step 4: Simplify right side
    154,786.48x = 20,782,373,182.18
  5. Step 5: Solve for x
    x = 20,782,373,182.18/154,786.48
  6. Step 6: Final answer
    x = 134,264.78

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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.