Home / 141,620.76-212,432.34-41,782.68

Finding the Fourth Proportional to 141,620.76, 212,432.34 and 41,782.68

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Solution

The fourth proportional to 141,620.76, 212,432.34 and 41,782.68 is: 62,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.76 : 212,432.34 = 41,782.68 : x
  2. Step 2: Convert to fraction form
    141,620.76/212,432.34 = 41,782.68/x
  3. Step 3: Cross multiply
    141,620.76x = 212,432.34 × 41,782.68
  4. Step 4: Simplify right side
    141,620.76x = 8,875,992,483.87
  5. Step 5: Solve for x
    x = 8,875,992,483.87/141,620.76
  6. Step 6: Final answer
    x = 62,674.37

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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.