Home / 109,104.30-150,634.26-70,359.45

Finding the Fourth Proportional to 109,104.30, 150,634.26 and 70,359.45

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Solution

The fourth proportional to 109,104.30, 150,634.26 and 70,359.45 is: 97,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,104.30 : 150,634.26 = 70,359.45 : x
  2. Step 2: Convert to fraction form
    109,104.30/150,634.26 = 70,359.45/x
  3. Step 3: Cross multiply
    109,104.30x = 150,634.26 × 70,359.45
  4. Step 4: Simplify right side
    109,104.30x = 10,598,543,684.76
  5. Step 5: Solve for x
    x = 10,598,543,684.76/109,104.30
  6. Step 6: Final answer
    x = 97,141.39

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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.