Home / 248,011.27-342,129.38-162,020.59

Finding the Fourth Proportional to 248,011.27, 342,129.38 and 162,020.59

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Solution

The fourth proportional to 248,011.27, 342,129.38 and 162,020.59 is: 223,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,011.27 : 342,129.38 = 162,020.59 : x
  2. Step 2: Convert to fraction form
    248,011.27/342,129.38 = 162,020.59/x
  3. Step 3: Cross multiply
    248,011.27x = 342,129.38 × 162,020.59
  4. Step 4: Simplify right side
    248,011.27x = 55,432,001,483.18
  5. Step 5: Solve for x
    x = 55,432,001,483.18/248,011.27
  6. Step 6: Final answer
    x = 223,505.98

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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.