Home / 181,072.87-249,878.72-100,501.09

Finding the Fourth Proportional to 181,072.87, 249,878.72 and 100,501.09

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Solution

The fourth proportional to 181,072.87, 249,878.72 and 100,501.09 is: 138,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,072.87 : 249,878.72 = 100,501.09 : x
  2. Step 2: Convert to fraction form
    181,072.87/249,878.72 = 100,501.09/x
  3. Step 3: Cross multiply
    181,072.87x = 249,878.72 × 100,501.09
  4. Step 4: Simplify right side
    181,072.87x = 25,113,083,354.36
  5. Step 5: Solve for x
    x = 25,113,083,354.36/181,072.87
  6. Step 6: Final answer
    x = 138,690.48

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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.