Home / 147,309.30-203,279.63-83,645.73

Finding the Fourth Proportional to 147,309.30, 203,279.63 and 83,645.73

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Solution

The fourth proportional to 147,309.30, 203,279.63 and 83,645.73 is: 115,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,309.30 : 203,279.63 = 83,645.73 : x
  2. Step 2: Convert to fraction form
    147,309.30/203,279.63 = 83,645.73/x
  3. Step 3: Cross multiply
    147,309.30x = 203,279.63 × 83,645.73
  4. Step 4: Simplify right side
    147,309.30x = 17,003,472,627.25
  5. Step 5: Solve for x
    x = 17,003,472,627.25/147,309.30
  6. Step 6: Final answer
    x = 115,427.01

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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.