Home / 181,147.02-249,983.42-100,574.73

Finding the Fourth Proportional to 181,147.02, 249,983.42 and 100,574.73

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Solution

The fourth proportional to 181,147.02, 249,983.42 and 100,574.73 is: 138,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,147.02 : 249,983.42 = 100,574.73 : x
  2. Step 2: Convert to fraction form
    181,147.02/249,983.42 = 100,574.73/x
  3. Step 3: Cross multiply
    181,147.02x = 249,983.42 × 100,574.73
  4. Step 4: Simplify right side
    181,147.02x = 25,142,014,468.10
  5. Step 5: Solve for x
    x = 25,142,014,468.10/181,147.02
  6. Step 6: Final answer
    x = 138,793.42

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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.