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Finding the Fourth Proportional to 140,960.93, 211,442.10 and 35,779.93

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Solution

The fourth proportional to 140,960.93, 211,442.10 and 35,779.93 is: 53,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.93 : 211,442.10 = 35,779.93 : x
  2. Step 2: Convert to fraction form
    140,960.93/211,442.10 = 35,779.93/x
  3. Step 3: Cross multiply
    140,960.93x = 211,442.10 × 35,779.93
  4. Step 4: Simplify right side
    140,960.93x = 7,565,383,537.05
  5. Step 5: Solve for x
    x = 7,565,383,537.05/140,960.93
  6. Step 6: Final answer
    x = 53,670.07

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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.