Home / 216,277.56-298,459.89-120,785.58

Finding the Fourth Proportional to 216,277.56, 298,459.89 and 120,785.58

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Solution

The fourth proportional to 216,277.56, 298,459.89 and 120,785.58 is: 166,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,277.56 : 298,459.89 = 120,785.58 : x
  2. Step 2: Convert to fraction form
    216,277.56/298,459.89 = 120,785.58/x
  3. Step 3: Cross multiply
    216,277.56x = 298,459.89 × 120,785.58
  4. Step 4: Simplify right side
    216,277.56x = 36,049,650,920.39
  5. Step 5: Solve for x
    x = 36,049,650,920.39/216,277.56
  6. Step 6: Final answer
    x = 166,682.35

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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.