Home / 105,338.48-145,376.78-60,022.62

Finding the Fourth Proportional to 105,338.48, 145,376.78 and 60,022.62

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Solution

The fourth proportional to 105,338.48, 145,376.78 and 60,022.62 is: 82,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,338.48 : 145,376.78 = 60,022.62 : x
  2. Step 2: Convert to fraction form
    105,338.48/145,376.78 = 60,022.62/x
  3. Step 3: Cross multiply
    105,338.48x = 145,376.78 × 60,022.62
  4. Step 4: Simplify right side
    105,338.48x = 8,725,894,922.65
  5. Step 5: Solve for x
    x = 8,725,894,922.65/105,338.48
  6. Step 6: Final answer
    x = 82,836.73

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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.