Home / 106,830.98-160,283.46-40,290.20

Finding the Fourth Proportional to 106,830.98, 160,283.46 and 40,290.20

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Solution

The fourth proportional to 106,830.98, 160,283.46 and 40,290.20 is: 60,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830.98 : 160,283.46 = 40,290.20 : x
  2. Step 2: Convert to fraction form
    106,830.98/160,283.46 = 40,290.20/x
  3. Step 3: Cross multiply
    106,830.98x = 160,283.46 × 40,290.20
  4. Step 4: Simplify right side
    106,830.98x = 6,457,852,660.09
  5. Step 5: Solve for x
    x = 6,457,852,660.09/106,830.98
  6. Step 6: Final answer
    x = 60,449.25

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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.