Home / 134,639.84-202,222.20-109,698.32

Finding the Fourth Proportional to 134,639.84, 202,222.20 and 109,698.32

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Solution

The fourth proportional to 134,639.84, 202,222.20 and 109,698.32 is: 164,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.84 : 202,222.20 = 109,698.32 : x
  2. Step 2: Convert to fraction form
    134,639.84/202,222.20 = 109,698.32/x
  3. Step 3: Cross multiply
    134,639.84x = 202,222.20 × 109,698.32
  4. Step 4: Simplify right side
    134,639.84x = 22,183,435,606.70
  5. Step 5: Solve for x
    x = 22,183,435,606.70/134,639.84
  6. Step 6: Final answer
    x = 164,761.30

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1.5x scale

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.