Home / 150,788.27-208,158.66-87,113.77

Finding the Fourth Proportional to 150,788.27, 208,158.66 and 87,113.77

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Solution

The fourth proportional to 150,788.27, 208,158.66 and 87,113.77 is: 120,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.27 : 208,158.66 = 87,113.77 : x
  2. Step 2: Convert to fraction form
    150,788.27/208,158.66 = 87,113.77/x
  3. Step 3: Cross multiply
    150,788.27x = 208,158.66 × 87,113.77
  4. Step 4: Simplify right side
    150,788.27x = 18,133,485,110.35
  5. Step 5: Solve for x
    x = 18,133,485,110.35/150,788.27
  6. Step 6: Final answer
    x = 120,257.93

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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.