Home / 132,509.24-182,922.46-87,211

Finding the Fourth Proportional to 132,509.24, 182,922.46 and 87,211

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Solution

The fourth proportional to 132,509.24, 182,922.46 and 87,211 is: 120,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,509.24 : 182,922.46 = 87,211 : x
  2. Step 2: Convert to fraction form
    132,509.24/182,922.46 = 87,211/x
  3. Step 3: Cross multiply
    132,509.24x = 182,922.46 × 87,211
  4. Step 4: Simplify right side
    132,509.24x = 15,952,850,659.06
  5. Step 5: Solve for x
    x = 15,952,850,659.06/132,509.24
  6. Step 6: Final answer
    x = 120,390.48

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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.