Home / 115,427.53-159,298.04-64,450.29

Finding the Fourth Proportional to 115,427.53, 159,298.04 and 64,450.29

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Solution

The fourth proportional to 115,427.53, 159,298.04 and 64,450.29 is: 88,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.53 : 159,298.04 = 64,450.29 : x
  2. Step 2: Convert to fraction form
    115,427.53/159,298.04 = 64,450.29/x
  3. Step 3: Cross multiply
    115,427.53x = 159,298.04 × 64,450.29
  4. Step 4: Simplify right side
    115,427.53x = 10,266,804,874.43
  5. Step 5: Solve for x
    x = 10,266,804,874.43/115,427.53
  6. Step 6: Final answer
    x = 88,945.89

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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.