Home / 181,132.08-249,949.84-100,553.32

Finding the Fourth Proportional to 181,132.08, 249,949.84 and 100,553.32

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Solution

The fourth proportional to 181,132.08, 249,949.84 and 100,553.32 is: 138,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,132.08 : 249,949.84 = 100,553.32 : x
  2. Step 2: Convert to fraction form
    181,132.08/249,949.84 = 100,553.32/x
  3. Step 3: Cross multiply
    181,132.08x = 249,949.84 × 100,553.32
  4. Step 4: Simplify right side
    181,132.08x = 25,133,286,245.47
  5. Step 5: Solve for x
    x = 25,133,286,245.47/181,132.08
  6. Step 6: Final answer
    x = 138,756.68

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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.