Home / 188,869.20-283,303.78-64,210.20

Finding the Fourth Proportional to 188,869.20, 283,303.78 and 64,210.20

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Solution

The fourth proportional to 188,869.20, 283,303.78 and 64,210.20 is: 96,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.20 : 283,303.78 = 64,210.20 : x
  2. Step 2: Convert to fraction form
    188,869.20/283,303.78 = 64,210.20/x
  3. Step 3: Cross multiply
    188,869.20x = 283,303.78 × 64,210.20
  4. Step 4: Simplify right side
    188,869.20x = 18,190,992,374.56
  5. Step 5: Solve for x
    x = 18,190,992,374.56/188,869.20
  6. Step 6: Final answer
    x = 96,315.29

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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.