Home / 147,295.26-203,269.83-83,634.78

Finding the Fourth Proportional to 147,295.26, 203,269.83 and 83,634.78

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Solution

The fourth proportional to 147,295.26, 203,269.83 and 83,634.78 is: 115,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,295.26 : 203,269.83 = 83,634.78 : x
  2. Step 2: Convert to fraction form
    147,295.26/203,269.83 = 83,634.78/x
  3. Step 3: Cross multiply
    147,295.26x = 203,269.83 × 83,634.78
  4. Step 4: Simplify right side
    147,295.26x = 17,000,427,512.69
  5. Step 5: Solve for x
    x = 17,000,427,512.69/147,295.26
  6. Step 6: Final answer
    x = 115,417.34

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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.