Home / 163,684.13-225,756.07-106,341.90

Finding the Fourth Proportional to 163,684.13, 225,756.07 and 106,341.90

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Solution

The fourth proportional to 163,684.13, 225,756.07 and 106,341.90 is: 146,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,684.13 : 225,756.07 = 106,341.90 : x
  2. Step 2: Convert to fraction form
    163,684.13/225,756.07 = 106,341.90/x
  3. Step 3: Cross multiply
    163,684.13x = 225,756.07 × 106,341.90
  4. Step 4: Simplify right side
    163,684.13x = 24,007,329,420.33
  5. Step 5: Solve for x
    x = 24,007,329,420.33/163,684.13
  6. Step 6: Final answer
    x = 146,668.64

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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.