Home / 108,945.34-150,359.70-61,202.32

Finding the Fourth Proportional to 108,945.34, 150,359.70 and 61,202.32

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Solution

The fourth proportional to 108,945.34, 150,359.70 and 61,202.32 is: 84,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.34 : 150,359.70 = 61,202.32 : x
  2. Step 2: Convert to fraction form
    108,945.34/150,359.70 = 61,202.32/x
  3. Step 3: Cross multiply
    108,945.34x = 150,359.70 × 61,202.32
  4. Step 4: Simplify right side
    108,945.34x = 9,202,362,474.50
  5. Step 5: Solve for x
    x = 9,202,362,474.50/108,945.34
  6. Step 6: Final answer
    x = 84,467.70

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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.