Home / 131,883.24-181,998.60-71,455.50

Finding the Fourth Proportional to 131,883.24, 181,998.60 and 71,455.50

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Solution

The fourth proportional to 131,883.24, 181,998.60 and 71,455.50 is: 98,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,883.24 : 181,998.60 = 71,455.50 : x
  2. Step 2: Convert to fraction form
    131,883.24/181,998.60 = 71,455.50/x
  3. Step 3: Cross multiply
    131,883.24x = 181,998.60 × 71,455.50
  4. Step 4: Simplify right side
    131,883.24x = 13,004,800,962.30
  5. Step 5: Solve for x
    x = 13,004,800,962.30/131,883.24
  6. Step 6: Final answer
    x = 98,608.44

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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.