Home / 181,721.28-250,775.38-101,147.08

Finding the Fourth Proportional to 181,721.28, 250,775.38 and 101,147.08

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Solution

The fourth proportional to 181,721.28, 250,775.38 and 101,147.08 is: 139,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.28 : 250,775.38 = 101,147.08 : x
  2. Step 2: Convert to fraction form
    181,721.28/250,775.38 = 101,147.08/x
  3. Step 3: Cross multiply
    181,721.28x = 250,775.38 × 101,147.08
  4. Step 4: Simplify right side
    181,721.28x = 25,365,197,422.89
  5. Step 5: Solve for x
    x = 25,365,197,422.89/181,721.28
  6. Step 6: Final answer
    x = 139,582.98

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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.