Home / 218,150.14-326,891.20-146,808.30

Finding the Fourth Proportional to 218,150.14, 326,891.20 and 146,808.30

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Solution

The fourth proportional to 218,150.14, 326,891.20 and 146,808.30 is: 219,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,150.14 : 326,891.20 = 146,808.30 : x
  2. Step 2: Convert to fraction form
    218,150.14/326,891.20 = 146,808.30/x
  3. Step 3: Cross multiply
    218,150.14x = 326,891.20 × 146,808.30
  4. Step 4: Simplify right side
    218,150.14x = 47,990,341,356.96
  5. Step 5: Solve for x
    x = 47,990,341,356.96/218,150.14
  6. Step 6: Final answer
    x = 219,987.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.