Home / 181,021.56-249,810.17-100,449.30

Finding the Fourth Proportional to 181,021.56, 249,810.17 and 100,449.30

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Solution

The fourth proportional to 181,021.56, 249,810.17 and 100,449.30 is: 138,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,021.56 : 249,810.17 = 100,449.30 : x
  2. Step 2: Convert to fraction form
    181,021.56/249,810.17 = 100,449.30/x
  3. Step 3: Cross multiply
    181,021.56x = 249,810.17 × 100,449.30
  4. Step 4: Simplify right side
    181,021.56x = 25,093,256,207.13
  5. Step 5: Solve for x
    x = 25,093,256,207.13/181,021.56
  6. Step 6: Final answer
    x = 138,620.26

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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.