Home / 106,628.04-147,143.93-68,348.25

Finding the Fourth Proportional to 106,628.04, 147,143.93 and 68,348.25

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Solution

The fourth proportional to 106,628.04, 147,143.93 and 68,348.25 is: 94,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,628.04 : 147,143.93 = 68,348.25 : x
  2. Step 2: Convert to fraction form
    106,628.04/147,143.93 = 68,348.25/x
  3. Step 3: Cross multiply
    106,628.04x = 147,143.93 × 68,348.25
  4. Step 4: Simplify right side
    106,628.04x = 10,057,029,771.88
  5. Step 5: Solve for x
    x = 10,057,029,771.88/106,628.04
  6. Step 6: Final answer
    x = 94,318.81

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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.