Home / 163,419.51-225,541.62-91,804.98

Finding the Fourth Proportional to 163,419.51, 225,541.62 and 91,804.98

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Solution

The fourth proportional to 163,419.51, 225,541.62 and 91,804.98 is: 126,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,419.51 : 225,541.62 = 91,804.98 : x
  2. Step 2: Convert to fraction form
    163,419.51/225,541.62 = 91,804.98/x
  3. Step 3: Cross multiply
    163,419.51x = 225,541.62 × 91,804.98
  4. Step 4: Simplify right side
    163,419.51x = 20,705,843,913.27
  5. Step 5: Solve for x
    x = 20,705,843,913.27/163,419.51
  6. Step 6: Final answer
    x = 126,703.62

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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.