Home / 181,121.24-249,935.40-100,544.84

Finding the Fourth Proportional to 181,121.24, 249,935.40 and 100,544.84

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Solution

The fourth proportional to 181,121.24, 249,935.40 and 100,544.84 is: 138,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,121.24 : 249,935.40 = 100,544.84 : x
  2. Step 2: Convert to fraction form
    181,121.24/249,935.40 = 100,544.84/x
  3. Step 3: Cross multiply
    181,121.24x = 249,935.40 × 100,544.84
  4. Step 4: Simplify right side
    181,121.24x = 25,129,714,803.34
  5. Step 5: Solve for x
    x = 25,129,714,803.34/181,121.24
  6. Step 6: Final answer
    x = 138,745.27

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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.