Home / 163,986.80-245,895.75-75,164.22

Finding the Fourth Proportional to 163,986.80, 245,895.75 and 75,164.22

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Solution

The fourth proportional to 163,986.80, 245,895.75 and 75,164.22 is: 112,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,986.80 : 245,895.75 = 75,164.22 : x
  2. Step 2: Convert to fraction form
    163,986.80/245,895.75 = 75,164.22/x
  3. Step 3: Cross multiply
    163,986.80x = 245,895.75 × 75,164.22
  4. Step 4: Simplify right side
    163,986.80x = 18,482,562,250.07
  5. Step 5: Solve for x
    x = 18,482,562,250.07/163,986.80
  6. Step 6: Final answer
    x = 112,707.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.