Home / 151,284.28-208,800.31-87,622.06

Finding the Fourth Proportional to 151,284.28, 208,800.31 and 87,622.06

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Solution

The fourth proportional to 151,284.28, 208,800.31 and 87,622.06 is: 120,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,284.28 : 208,800.31 = 87,622.06 : x
  2. Step 2: Convert to fraction form
    151,284.28/208,800.31 = 87,622.06/x
  3. Step 3: Cross multiply
    151,284.28x = 208,800.31 × 87,622.06
  4. Step 4: Simplify right side
    151,284.28x = 18,295,513,290.84
  5. Step 5: Solve for x
    x = 18,295,513,290.84/151,284.28
  6. Step 6: Final answer
    x = 120,934.66

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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.