Home / 179,631.10-247,907.55-103,160.26

Finding the Fourth Proportional to 179,631.10, 247,907.55 and 103,160.26

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Solution

The fourth proportional to 179,631.10, 247,907.55 and 103,160.26 is: 142,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,631.10 : 247,907.55 = 103,160.26 : x
  2. Step 2: Convert to fraction form
    179,631.10/247,907.55 = 103,160.26/x
  3. Step 3: Cross multiply
    179,631.10x = 247,907.55 × 103,160.26
  4. Step 4: Simplify right side
    179,631.10x = 25,574,207,313.96
  5. Step 5: Solve for x
    x = 25,574,207,313.96/179,631.10
  6. Step 6: Final answer
    x = 142,370.71

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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.