Home / 181,029.33-249,816.69-100,456.20

Finding the Fourth Proportional to 181,029.33, 249,816.69 and 100,456.20

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Solution

The fourth proportional to 181,029.33, 249,816.69 and 100,456.20 is: 138,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,029.33 : 249,816.69 = 100,456.20 : x
  2. Step 2: Convert to fraction form
    181,029.33/249,816.69 = 100,456.20/x
  3. Step 3: Cross multiply
    181,029.33x = 249,816.69 × 100,456.20
  4. Step 4: Simplify right side
    181,029.33x = 25,095,635,373.98
  5. Step 5: Solve for x
    x = 25,095,635,373.98/181,029.33
  6. Step 6: Final answer
    x = 138,627.46

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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.