Home / 188,826.20-283,174.02-83,718.68

Finding the Fourth Proportional to 188,826.20, 283,174.02 and 83,718.68

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Solution

The fourth proportional to 188,826.20, 283,174.02 and 83,718.68 is: 125,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,826.20 : 283,174.02 = 83,718.68 : x
  2. Step 2: Convert to fraction form
    188,826.20/283,174.02 = 83,718.68/x
  3. Step 3: Cross multiply
    188,826.20x = 283,174.02 × 83,718.68
  4. Step 4: Simplify right side
    188,826.20x = 23,706,955,164.69
  5. Step 5: Solve for x
    x = 23,706,955,164.69/188,826.20
  6. Step 6: Final answer
    x = 125,549.08

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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.