Home / 163,503.05-225,632.16-91,895.19

Finding the Fourth Proportional to 163,503.05, 225,632.16 and 91,895.19

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Solution

The fourth proportional to 163,503.05, 225,632.16 and 91,895.19 is: 126,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,503.05 : 225,632.16 = 91,895.19 : x
  2. Step 2: Convert to fraction form
    163,503.05/225,632.16 = 91,895.19/x
  3. Step 3: Cross multiply
    163,503.05x = 225,632.16 × 91,895.19
  4. Step 4: Simplify right side
    163,503.05x = 20,734,510,213.31
  5. Step 5: Solve for x
    x = 20,734,510,213.31/163,503.05
  6. Step 6: Final answer
    x = 126,814.21

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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.