Home / 106,282.61-146,659.14-65,440.25

Finding the Fourth Proportional to 106,282.61, 146,659.14 and 65,440.25

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Solution

The fourth proportional to 106,282.61, 146,659.14 and 65,440.25 is: 90,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,282.61 : 146,659.14 = 65,440.25 : x
  2. Step 2: Convert to fraction form
    106,282.61/146,659.14 = 65,440.25/x
  3. Step 3: Cross multiply
    106,282.61x = 146,659.14 × 65,440.25
  4. Step 4: Simplify right side
    106,282.61x = 9,597,409,725.89
  5. Step 5: Solve for x
    x = 9,597,409,725.89/106,282.61
  6. Step 6: Final answer
    x = 90,300.85

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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.