Home / 115,409.70-173,010.06-45,270.18

Finding the Fourth Proportional to 115,409.70, 173,010.06 and 45,270.18

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Solution

The fourth proportional to 115,409.70, 173,010.06 and 45,270.18 is: 67,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409.70 : 173,010.06 = 45,270.18 : x
  2. Step 2: Convert to fraction form
    115,409.70/173,010.06 = 45,270.18/x
  3. Step 3: Cross multiply
    115,409.70x = 173,010.06 × 45,270.18
  4. Step 4: Simplify right side
    115,409.70x = 7,832,196,558.01
  5. Step 5: Solve for x
    x = 7,832,196,558.01/115,409.70
  6. Step 6: Final answer
    x = 67,864.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.