Home / 210,536.69-290,547.79-115,049.52

Finding the Fourth Proportional to 210,536.69, 290,547.79 and 115,049.52

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Solution

The fourth proportional to 210,536.69, 290,547.79 and 115,049.52 is: 158,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,536.69 : 290,547.79 = 115,049.52 : x
  2. Step 2: Convert to fraction form
    210,536.69/290,547.79 = 115,049.52/x
  3. Step 3: Cross multiply
    210,536.69x = 290,547.79 × 115,049.52
  4. Step 4: Simplify right side
    210,536.69x = 33,427,383,488.94
  5. Step 5: Solve for x
    x = 33,427,383,488.94/210,536.69
  6. Step 6: Final answer
    x = 158,772.25

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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.