Home / 216,303.21-298,496.72-125,712.20

Finding the Fourth Proportional to 216,303.21, 298,496.72 and 125,712.20

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Solution

The fourth proportional to 216,303.21, 298,496.72 and 125,712.20 is: 173,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,303.21 : 298,496.72 = 125,712.20 : x
  2. Step 2: Convert to fraction form
    216,303.21/298,496.72 = 125,712.20/x
  3. Step 3: Cross multiply
    216,303.21x = 298,496.72 × 125,712.20
  4. Step 4: Simplify right side
    216,303.21x = 37,524,677,242.94
  5. Step 5: Solve for x
    x = 37,524,677,242.94/216,303.21
  6. Step 6: Final answer
    x = 173,481.83

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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.