Home / 132,415.08-182,736.24-71,989.80

Finding the Fourth Proportional to 132,415.08, 182,736.24 and 71,989.80

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Solution

The fourth proportional to 132,415.08, 182,736.24 and 71,989.80 is: 99,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.08 : 182,736.24 = 71,989.80 : x
  2. Step 2: Convert to fraction form
    132,415.08/182,736.24 = 71,989.80/x
  3. Step 3: Cross multiply
    132,415.08x = 182,736.24 × 71,989.80
  4. Step 4: Simplify right side
    132,415.08x = 13,155,145,370.35
  5. Step 5: Solve for x
    x = 13,155,145,370.35/132,415.08
  6. Step 6: Final answer
    x = 99,347.79

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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.