Home / 140,147.19-210,095.74-51,379.96

Finding the Fourth Proportional to 140,147.19, 210,095.74 and 51,379.96

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Solution

The fourth proportional to 140,147.19, 210,095.74 and 51,379.96 is: 77,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.19 : 210,095.74 = 51,379.96 : x
  2. Step 2: Convert to fraction form
    140,147.19/210,095.74 = 51,379.96/x
  3. Step 3: Cross multiply
    140,147.19x = 210,095.74 × 51,379.96
  4. Step 4: Simplify right side
    140,147.19x = 10,794,710,717.37
  5. Step 5: Solve for x
    x = 10,794,710,717.37/140,147.19
  6. Step 6: Final answer
    x = 77,024.10

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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.