Home / 109,512.40-164,256.45-30,634.60

Finding the Fourth Proportional to 109,512.40, 164,256.45 and 30,634.60

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Solution

The fourth proportional to 109,512.40, 164,256.45 and 30,634.60 is: 45,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.40 : 164,256.45 = 30,634.60 : x
  2. Step 2: Convert to fraction form
    109,512.40/164,256.45 = 30,634.60/x
  3. Step 3: Cross multiply
    109,512.40x = 164,256.45 × 30,634.60
  4. Step 4: Simplify right side
    109,512.40x = 5,031,930,643.17
  5. Step 5: Solve for x
    x = 5,031,930,643.17/109,512.40
  6. Step 6: Final answer
    x = 45,948.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.