Home / 428,095.44-642,092.04-112,576.92

Finding the Fourth Proportional to 428,095.44, 642,092.04 and 112,576.92

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Solution

The fourth proportional to 428,095.44, 642,092.04 and 112,576.92 is: 168,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,095.44 : 642,092.04 = 112,576.92 : x
  2. Step 2: Convert to fraction form
    428,095.44/642,092.04 = 112,576.92/x
  3. Step 3: Cross multiply
    428,095.44x = 642,092.04 × 112,576.92
  4. Step 4: Simplify right side
    428,095.44x = 72,284,744,219.72
  5. Step 5: Solve for x
    x = 72,284,744,219.72/428,095.44
  6. Step 6: Final answer
    x = 168,851.94

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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.