Home / 152,836.67-229,150.44-77,811.64

Finding the Fourth Proportional to 152,836.67, 229,150.44 and 77,811.64

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Solution

The fourth proportional to 152,836.67, 229,150.44 and 77,811.64 is: 116,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,836.67 : 229,150.44 = 77,811.64 : x
  2. Step 2: Convert to fraction form
    152,836.67/229,150.44 = 77,811.64/x
  3. Step 3: Cross multiply
    152,836.67x = 229,150.44 × 77,811.64
  4. Step 4: Simplify right side
    152,836.67x = 17,830,571,189.09
  5. Step 5: Solve for x
    x = 17,830,571,189.09/152,836.67
  6. Step 6: Final answer
    x = 116,664.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.