Home / 163,106.51-225,086.99-91,484.96

Finding the Fourth Proportional to 163,106.51, 225,086.99 and 91,484.96

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Solution

The fourth proportional to 163,106.51, 225,086.99 and 91,484.96 is: 126,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,106.51 : 225,086.99 = 91,484.96 : x
  2. Step 2: Convert to fraction form
    163,106.51/225,086.99 = 91,484.96/x
  3. Step 3: Cross multiply
    163,106.51x = 225,086.99 × 91,484.96
  4. Step 4: Simplify right side
    163,106.51x = 20,592,072,693.81
  5. Step 5: Solve for x
    x = 20,592,072,693.81/163,106.51
  6. Step 6: Final answer
    x = 126,249.24

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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.