Home / 216,143.54-298,276.94-125,521.79

Finding the Fourth Proportional to 216,143.54, 298,276.94 and 125,521.79

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Solution

The fourth proportional to 216,143.54, 298,276.94 and 125,521.79 is: 173,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,143.54 : 298,276.94 = 125,521.79 : x
  2. Step 2: Convert to fraction form
    216,143.54/298,276.94 = 125,521.79/x
  3. Step 3: Cross multiply
    216,143.54x = 298,276.94 × 125,521.79
  4. Step 4: Simplify right side
    216,143.54x = 37,440,255,424.52
  5. Step 5: Solve for x
    x = 37,440,255,424.52/216,143.54
  6. Step 6: Final answer
    x = 173,219.41

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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.