Home / 181,049.04-249,848.64-100,481.76

Finding the Fourth Proportional to 181,049.04, 249,848.64 and 100,481.76

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Solution

The fourth proportional to 181,049.04, 249,848.64 and 100,481.76 is: 138,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,049.04 : 249,848.64 = 100,481.76 : x
  2. Step 2: Convert to fraction form
    181,049.04/249,848.64 = 100,481.76/x
  3. Step 3: Cross multiply
    181,049.04x = 249,848.64 × 100,481.76
  4. Step 4: Simplify right side
    181,049.04x = 25,105,231,080.81
  5. Step 5: Solve for x
    x = 25,105,231,080.81/181,049.04
  6. Step 6: Final answer
    x = 138,665.36

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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.