Home / 150,858.76-208,222.50-87,187.36

Finding the Fourth Proportional to 150,858.76, 208,222.50 and 87,187.36

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Solution

The fourth proportional to 150,858.76, 208,222.50 and 87,187.36 is: 120,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,858.76 : 208,222.50 = 87,187.36 : x
  2. Step 2: Convert to fraction form
    150,858.76/208,222.50 = 87,187.36/x
  3. Step 3: Cross multiply
    150,858.76x = 208,222.50 × 87,187.36
  4. Step 4: Simplify right side
    150,858.76x = 18,154,370,067.60
  5. Step 5: Solve for x
    x = 18,154,370,067.60/150,858.76
  6. Step 6: Final answer
    x = 120,340.18

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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.