Home / 105,262.40-145,260.41-57,514.73

Finding the Fourth Proportional to 105,262.40, 145,260.41 and 57,514.73

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Solution

The fourth proportional to 105,262.40, 145,260.41 and 57,514.73 is: 79,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,262.40 : 145,260.41 = 57,514.73 : x
  2. Step 2: Convert to fraction form
    105,262.40/145,260.41 = 57,514.73/x
  3. Step 3: Cross multiply
    105,262.40x = 145,260.41 × 57,514.73
  4. Step 4: Simplify right side
    105,262.40x = 8,354,612,246.96
  5. Step 5: Solve for x
    x = 8,354,612,246.96/105,262.40
  6. Step 6: Final answer
    x = 79,369.39

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1.5x scale

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.