Home / 163,974.18-245,989.32-75,235.32

Finding the Fourth Proportional to 163,974.18, 245,989.32 and 75,235.32

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Solution

The fourth proportional to 163,974.18, 245,989.32 and 75,235.32 is: 112,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,974.18 : 245,989.32 = 75,235.32 : x
  2. Step 2: Convert to fraction form
    163,974.18/245,989.32 = 75,235.32/x
  3. Step 3: Cross multiply
    163,974.18x = 245,989.32 × 75,235.32
  4. Step 4: Simplify right side
    163,974.18x = 18,507,085,206.78
  5. Step 5: Solve for x
    x = 18,507,085,206.78/163,974.18
  6. Step 6: Final answer
    x = 112,865.85

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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.