Home / 216,265.02-298,433.34-129,148.44

Finding the Fourth Proportional to 216,265.02, 298,433.34 and 129,148.44

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Solution

The fourth proportional to 216,265.02, 298,433.34 and 129,148.44 is: 178,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,265.02 : 298,433.34 = 129,148.44 : x
  2. Step 2: Convert to fraction form
    216,265.02/298,433.34 = 129,148.44/x
  3. Step 3: Cross multiply
    216,265.02x = 298,433.34 × 129,148.44
  4. Step 4: Simplify right side
    216,265.02x = 38,542,200,304.99
  5. Step 5: Solve for x
    x = 38,542,200,304.99/216,265.02
  6. Step 6: Final answer
    x = 178,217.45

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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.