Home / 216,414.90-298,601.28-125,716.95

Finding the Fourth Proportional to 216,414.90, 298,601.28 and 125,716.95

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Solution

The fourth proportional to 216,414.90, 298,601.28 and 125,716.95 is: 173,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,414.90 : 298,601.28 = 125,716.95 : x
  2. Step 2: Convert to fraction form
    216,414.90/298,601.28 = 125,716.95/x
  3. Step 3: Cross multiply
    216,414.90x = 298,601.28 × 125,716.95
  4. Step 4: Simplify right side
    216,414.90x = 37,539,242,187.70
  5. Step 5: Solve for x
    x = 37,539,242,187.70/216,414.90
  6. Step 6: Final answer
    x = 173,459.60

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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.