Home / 105,506.35-145,610.46-60,195.50

Finding the Fourth Proportional to 105,506.35, 145,610.46 and 60,195.50

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Solution

The fourth proportional to 105,506.35, 145,610.46 and 60,195.50 is: 83,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,506.35 : 145,610.46 = 60,195.50 : x
  2. Step 2: Convert to fraction form
    105,506.35/145,610.46 = 60,195.50/x
  3. Step 3: Cross multiply
    105,506.35x = 145,610.46 × 60,195.50
  4. Step 4: Simplify right side
    105,506.35x = 8,765,095,081.98
  5. Step 5: Solve for x
    x = 8,765,095,081.98/105,506.35
  6. Step 6: Final answer
    x = 83,076.47

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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.