Home / 268,023.22-402,021.63-99,576.34

Finding the Fourth Proportional to 268,023.22, 402,021.63 and 99,576.34

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Solution

The fourth proportional to 268,023.22, 402,021.63 and 99,576.34 is: 149,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,023.22 : 402,021.63 = 99,576.34 : x
  2. Step 2: Convert to fraction form
    268,023.22/402,021.63 = 99,576.34/x
  3. Step 3: Cross multiply
    268,023.22x = 402,021.63 × 99,576.34
  4. Step 4: Simplify right side
    268,023.22x = 40,031,842,516.23
  5. Step 5: Solve for x
    x = 40,031,842,516.23/268,023.22
  6. Step 6: Final answer
    x = 149,359.61

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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.