Home / 120,886.43-181,256.33-46,011.65

Finding the Fourth Proportional to 120,886.43, 181,256.33 and 46,011.65

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Solution

The fourth proportional to 120,886.43, 181,256.33 and 46,011.65 is: 68,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.43 : 181,256.33 = 46,011.65 : x
  2. Step 2: Convert to fraction form
    120,886.43/181,256.33 = 46,011.65/x
  3. Step 3: Cross multiply
    120,886.43x = 181,256.33 × 46,011.65
  4. Step 4: Simplify right side
    120,886.43x = 8,339,902,024.99
  5. Step 5: Solve for x
    x = 8,339,902,024.99/120,886.43
  6. Step 6: Final answer
    x = 68,989.57

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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.