Home / 180,282.51-248,786.10-112,265.19

Finding the Fourth Proportional to 180,282.51, 248,786.10 and 112,265.19

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Solution

The fourth proportional to 180,282.51, 248,786.10 and 112,265.19 is: 154,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,282.51 : 248,786.10 = 112,265.19 : x
  2. Step 2: Convert to fraction form
    180,282.51/248,786.10 = 112,265.19/x
  3. Step 3: Cross multiply
    180,282.51x = 248,786.10 × 112,265.19
  4. Step 4: Simplify right side
    180,282.51x = 27,930,018,785.86
  5. Step 5: Solve for x
    x = 27,930,018,785.86/180,282.51
  6. Step 6: Final answer
    x = 154,923.62

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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.