Home / 195,126.54-269,274.69-105,702.54

Finding the Fourth Proportional to 195,126.54, 269,274.69 and 105,702.54

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Solution

The fourth proportional to 195,126.54, 269,274.69 and 105,702.54 is: 145,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,126.54 : 269,274.69 = 105,702.54 : x
  2. Step 2: Convert to fraction form
    195,126.54/269,274.69 = 105,702.54/x
  3. Step 3: Cross multiply
    195,126.54x = 269,274.69 × 105,702.54
  4. Step 4: Simplify right side
    195,126.54x = 28,463,018,690.71
  5. Step 5: Solve for x
    x = 28,463,018,690.71/195,126.54
  6. Step 6: Final answer
    x = 145,869.54

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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.