Home / 163,048.86-225,003.90-91,427.31

Finding the Fourth Proportional to 163,048.86, 225,003.90 and 91,427.31

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Solution

The fourth proportional to 163,048.86, 225,003.90 and 91,427.31 is: 126,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,048.86 : 225,003.90 = 91,427.31 : x
  2. Step 2: Convert to fraction form
    163,048.86/225,003.90 = 91,427.31/x
  3. Step 3: Cross multiply
    163,048.86x = 225,003.90 × 91,427.31
  4. Step 4: Simplify right side
    163,048.86x = 20,571,501,316.51
  5. Step 5: Solve for x
    x = 20,571,501,316.51/163,048.86
  6. Step 6: Final answer
    x = 126,167.71

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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.