Home / 145,521.32-200,801.46-91,786.04

Finding the Fourth Proportional to 145,521.32, 200,801.46 and 91,786.04

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Solution

The fourth proportional to 145,521.32, 200,801.46 and 91,786.04 is: 126,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521.32 : 200,801.46 = 91,786.04 : x
  2. Step 2: Convert to fraction form
    145,521.32/200,801.46 = 91,786.04/x
  3. Step 3: Cross multiply
    145,521.32x = 200,801.46 × 91,786.04
  4. Step 4: Simplify right side
    145,521.32x = 18,430,770,839.62
  5. Step 5: Solve for x
    x = 18,430,770,839.62/145,521.32
  6. Step 6: Final answer
    x = 126,653.41

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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.