Home / 147,799.56-203,973.68-84,137.34

Finding the Fourth Proportional to 147,799.56, 203,973.68 and 84,137.34

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Solution

The fourth proportional to 147,799.56, 203,973.68 and 84,137.34 is: 116,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.56 : 203,973.68 = 84,137.34 : x
  2. Step 2: Convert to fraction form
    147,799.56/203,973.68 = 84,137.34/x
  3. Step 3: Cross multiply
    147,799.56x = 203,973.68 × 84,137.34
  4. Step 4: Simplify right side
    147,799.56x = 17,161,802,865.21
  5. Step 5: Solve for x
    x = 17,161,802,865.21/147,799.56
  6. Step 6: Final answer
    x = 116,115.39

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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.