Home / 109,784.96-151,464.48-67,328

Finding the Fourth Proportional to 109,784.96, 151,464.48 and 67,328

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Solution

The fourth proportional to 109,784.96, 151,464.48 and 67,328 is: 92,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,784.96 : 151,464.48 = 67,328 : x
  2. Step 2: Convert to fraction form
    109,784.96/151,464.48 = 67,328/x
  3. Step 3: Cross multiply
    109,784.96x = 151,464.48 × 67,328
  4. Step 4: Simplify right side
    109,784.96x = 10,197,800,509.44
  5. Step 5: Solve for x
    x = 10,197,800,509.44/109,784.96
  6. Step 6: Final answer
    x = 92,888.87

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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.