Home / 140,448.51-210,755.97-51,764.31

Finding the Fourth Proportional to 140,448.51, 210,755.97 and 51,764.31

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Solution

The fourth proportional to 140,448.51, 210,755.97 and 51,764.31 is: 77,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448.51 : 210,755.97 = 51,764.31 : x
  2. Step 2: Convert to fraction form
    140,448.51/210,755.97 = 51,764.31/x
  3. Step 3: Cross multiply
    140,448.51x = 210,755.97 × 51,764.31
  4. Step 4: Simplify right side
    140,448.51x = 10,909,637,365.43
  5. Step 5: Solve for x
    x = 10,909,637,365.43/140,448.51
  6. Step 6: Final answer
    x = 77,677.13

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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.