Home / 192,231.40-288,638.70-147,908.20

Finding the Fourth Proportional to 192,231.40, 288,638.70 and 147,908.20

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Solution

The fourth proportional to 192,231.40, 288,638.70 and 147,908.20 is: 222,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,231.40 : 288,638.70 = 147,908.20 : x
  2. Step 2: Convert to fraction form
    192,231.40/288,638.70 = 147,908.20/x
  3. Step 3: Cross multiply
    192,231.40x = 288,638.70 × 147,908.20
  4. Step 4: Simplify right side
    192,231.40x = 42,692,030,567.34
  5. Step 5: Solve for x
    x = 42,692,030,567.34/192,231.40
  6. Step 6: Final answer
    x = 222,086.67

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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.