Home / 187,888.36-259,284.36-103,005.22

Finding the Fourth Proportional to 187,888.36, 259,284.36 and 103,005.22

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Solution

The fourth proportional to 187,888.36, 259,284.36 and 103,005.22 is: 142,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,888.36 : 259,284.36 = 103,005.22 : x
  2. Step 2: Convert to fraction form
    187,888.36/259,284.36 = 103,005.22/x
  3. Step 3: Cross multiply
    187,888.36x = 259,284.36 × 103,005.22
  4. Step 4: Simplify right side
    187,888.36x = 26,707,642,544.36
  5. Step 5: Solve for x
    x = 26,707,642,544.36/187,888.36
  6. Step 6: Final answer
    x = 142,146.34

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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.