Home / 180,430.23-248,969.07-103,920.87

Finding the Fourth Proportional to 180,430.23, 248,969.07 and 103,920.87

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Solution

The fourth proportional to 180,430.23, 248,969.07 and 103,920.87 is: 143,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,430.23 : 248,969.07 = 103,920.87 : x
  2. Step 2: Convert to fraction form
    180,430.23/248,969.07 = 103,920.87/x
  3. Step 3: Cross multiply
    180,430.23x = 248,969.07 × 103,920.87
  4. Step 4: Simplify right side
    180,430.23x = 25,873,082,357.49
  5. Step 5: Solve for x
    x = 25,873,082,357.49/180,430.23
  6. Step 6: Final answer
    x = 143,396.60

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1.5x scale

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.