Home / 207,072.77-285,055.22-153,256.37

Finding the Fourth Proportional to 207,072.77, 285,055.22 and 153,256.37

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Solution

The fourth proportional to 207,072.77, 285,055.22 and 153,256.37 is: 210,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,072.77 : 285,055.22 = 153,256.37 : x
  2. Step 2: Convert to fraction form
    207,072.77/285,055.22 = 153,256.37/x
  3. Step 3: Cross multiply
    207,072.77x = 285,055.22 × 153,256.37
  4. Step 4: Simplify right side
    207,072.77x = 43,686,527,500.47
  5. Step 5: Solve for x
    x = 43,686,527,500.47/207,072.77
  6. Step 6: Final answer
    x = 210,971.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.