Home / 283,126.03-390,702.92-162,181.29

Finding the Fourth Proportional to 283,126.03, 390,702.92 and 162,181.29

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Solution

The fourth proportional to 283,126.03, 390,702.92 and 162,181.29 is: 223,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,126.03 : 390,702.92 = 162,181.29 : x
  2. Step 2: Convert to fraction form
    283,126.03/390,702.92 = 162,181.29/x
  3. Step 3: Cross multiply
    283,126.03x = 390,702.92 × 162,181.29
  4. Step 4: Simplify right side
    283,126.03x = 63,364,702,485.03
  5. Step 5: Solve for x
    x = 63,364,702,485.03/283,126.03
  6. Step 6: Final answer
    x = 223,803.87

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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.