Home / 109,167.45-150,615.05-88,989.64

Finding the Fourth Proportional to 109,167.45, 150,615.05 and 88,989.64

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Solution

The fourth proportional to 109,167.45, 150,615.05 and 88,989.64 is: 122,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,167.45 : 150,615.05 = 88,989.64 : x
  2. Step 2: Convert to fraction form
    109,167.45/150,615.05 = 88,989.64/x
  3. Step 3: Cross multiply
    109,167.45x = 150,615.05 × 88,989.64
  4. Step 4: Simplify right side
    109,167.45x = 13,403,178,256.60
  5. Step 5: Solve for x
    x = 13,403,178,256.60/109,167.45
  6. Step 6: Final answer
    x = 122,776.33

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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.