Home / 140,911.07-211,305.16-53,297.63

Finding the Fourth Proportional to 140,911.07, 211,305.16 and 53,297.63

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Solution

The fourth proportional to 140,911.07, 211,305.16 and 53,297.63 is: 79,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,911.07 : 211,305.16 = 53,297.63 : x
  2. Step 2: Convert to fraction form
    140,911.07/211,305.16 = 53,297.63/x
  3. Step 3: Cross multiply
    140,911.07x = 211,305.16 × 53,297.63
  4. Step 4: Simplify right side
    140,911.07x = 11,262,063,045.00
  5. Step 5: Solve for x
    x = 11,262,063,045.00/140,911.07
  6. Step 6: Final answer
    x = 79,923.20

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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.