Home / 147,410.28-203,426.26-83,748.20

Finding the Fourth Proportional to 147,410.28, 203,426.26 and 83,748.20

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Solution

The fourth proportional to 147,410.28, 203,426.26 and 83,748.20 is: 115,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410.28 : 203,426.26 = 83,748.20 : x
  2. Step 2: Convert to fraction form
    147,410.28/203,426.26 = 83,748.20/x
  3. Step 3: Cross multiply
    147,410.28x = 203,426.26 × 83,748.20
  4. Step 4: Simplify right side
    147,410.28x = 17,036,583,107.73
  5. Step 5: Solve for x
    x = 17,036,583,107.73/147,410.28
  6. Step 6: Final answer
    x = 115,572.56

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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.