Home / 188,065.09-259,530.16-103,182.76

Finding the Fourth Proportional to 188,065.09, 259,530.16 and 103,182.76

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Solution

The fourth proportional to 188,065.09, 259,530.16 and 103,182.76 is: 142,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,065.09 : 259,530.16 = 103,182.76 : x
  2. Step 2: Convert to fraction form
    188,065.09/259,530.16 = 103,182.76/x
  3. Step 3: Cross multiply
    188,065.09x = 259,530.16 × 103,182.76
  4. Step 4: Simplify right side
    188,065.09x = 26,779,036,914.39
  5. Step 5: Solve for x
    x = 26,779,036,914.39/188,065.09
  6. Step 6: Final answer
    x = 142,392.39

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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.