Home / 216,439.47-298,680.75-120,946.95

Finding the Fourth Proportional to 216,439.47, 298,680.75 and 120,946.95

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Solution

The fourth proportional to 216,439.47, 298,680.75 and 120,946.95 is: 166,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439.47 : 298,680.75 = 120,946.95 : x
  2. Step 2: Convert to fraction form
    216,439.47/298,680.75 = 120,946.95/x
  3. Step 3: Cross multiply
    216,439.47x = 298,680.75 × 120,946.95
  4. Step 4: Simplify right side
    216,439.47x = 36,124,525,736.21
  5. Step 5: Solve for x
    x = 36,124,525,736.21/216,439.47
  6. Step 6: Final answer
    x = 166,903.60

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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.