Home / 180,320.78-248,821.00-103,864.75

Finding the Fourth Proportional to 180,320.78, 248,821.00 and 103,864.75

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Solution

The fourth proportional to 180,320.78, 248,821.00 and 103,864.75 is: 143,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,320.78 : 248,821.00 = 103,864.75 : x
  2. Step 2: Convert to fraction form
    180,320.78/248,821.00 = 103,864.75/x
  3. Step 3: Cross multiply
    180,320.78x = 248,821.00 × 103,864.75
  4. Step 4: Simplify right side
    180,320.78x = 25,843,729,806.24
  5. Step 5: Solve for x
    x = 25,843,729,806.24/180,320.78
  6. Step 6: Final answer
    x = 143,320.86

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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.