Home / 163,975.40-245,963.10-145,604.60

Finding the Fourth Proportional to 163,975.40, 245,963.10 and 145,604.60

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Solution

The fourth proportional to 163,975.40, 245,963.10 and 145,604.60 is: 218,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,975.40 : 245,963.10 = 145,604.60 : x
  2. Step 2: Convert to fraction form
    163,975.40/245,963.10 = 145,604.60/x
  3. Step 3: Cross multiply
    163,975.40x = 245,963.10 × 145,604.60
  4. Step 4: Simplify right side
    163,975.40x = 35,813,358,790.26
  5. Step 5: Solve for x
    x = 35,813,358,790.26/163,975.40
  6. Step 6: Final answer
    x = 218,406.90

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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.