Home / 181,015.05-249,799.95-100,442.37

Finding the Fourth Proportional to 181,015.05, 249,799.95 and 100,442.37

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Solution

The fourth proportional to 181,015.05, 249,799.95 and 100,442.37 is: 138,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,015.05 : 249,799.95 = 100,442.37 : x
  2. Step 2: Convert to fraction form
    181,015.05/249,799.95 = 100,442.37/x
  3. Step 3: Cross multiply
    181,015.05x = 249,799.95 × 100,442.37
  4. Step 4: Simplify right side
    181,015.05x = 25,090,499,003.88
  5. Step 5: Solve for x
    x = 25,090,499,003.88/181,015.05
  6. Step 6: Final answer
    x = 138,610.02

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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.