Home / 106,428.66-146,900.58-68,185.32

Finding the Fourth Proportional to 106,428.66, 146,900.58 and 68,185.32

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Solution

The fourth proportional to 106,428.66, 146,900.58 and 68,185.32 is: 94,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.66 : 146,900.58 = 68,185.32 : x
  2. Step 2: Convert to fraction form
    106,428.66/146,900.58 = 68,185.32/x
  3. Step 3: Cross multiply
    106,428.66x = 146,900.58 × 68,185.32
  4. Step 4: Simplify right side
    106,428.66x = 10,016,463,055.49
  5. Step 5: Solve for x
    x = 10,016,463,055.49/106,428.66
  6. Step 6: Final answer
    x = 94,114.34

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1.5x scale

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.