Home / 140,147.10-210,095.66-51,379.92

Finding the Fourth Proportional to 140,147.10, 210,095.66 and 51,379.92

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Solution

The fourth proportional to 140,147.10, 210,095.66 and 51,379.92 is: 77,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.10 : 210,095.66 = 51,379.92 : x
  2. Step 2: Convert to fraction form
    140,147.10/210,095.66 = 51,379.92/x
  3. Step 3: Cross multiply
    140,147.10x = 210,095.66 × 51,379.92
  4. Step 4: Simplify right side
    140,147.10x = 10,794,697,946.25
  5. Step 5: Solve for x
    x = 10,794,697,946.25/140,147.10
  6. Step 6: Final answer
    x = 77,024.06

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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.