Home / 181,001.12-249,778.33-100,427.24

Finding the Fourth Proportional to 181,001.12, 249,778.33 and 100,427.24

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Solution

The fourth proportional to 181,001.12, 249,778.33 and 100,427.24 is: 138,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,001.12 : 249,778.33 = 100,427.24 : x
  2. Step 2: Convert to fraction form
    181,001.12/249,778.33 = 100,427.24/x
  3. Step 3: Cross multiply
    181,001.12x = 249,778.33 × 100,427.24
  4. Step 4: Simplify right side
    181,001.12x = 25,084,548,667.09
  5. Step 5: Solve for x
    x = 25,084,548,667.09/181,001.12
  6. Step 6: Final answer
    x = 138,587.81

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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.