Home / 105,395.64-145,450.02-60,080.76

Finding the Fourth Proportional to 105,395.64, 145,450.02 and 60,080.76

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Solution

The fourth proportional to 105,395.64, 145,450.02 and 60,080.76 is: 82,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.64 : 145,450.02 = 60,080.76 : x
  2. Step 2: Convert to fraction form
    105,395.64/145,450.02 = 60,080.76/x
  3. Step 3: Cross multiply
    105,395.64x = 145,450.02 × 60,080.76
  4. Step 4: Simplify right side
    105,395.64x = 8,738,747,743.62
  5. Step 5: Solve for x
    x = 8,738,747,743.62/105,395.64
  6. Step 6: Final answer
    x = 82,913.75

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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.