Home / 181,395.40-250,326.60-100,830.42

Finding the Fourth Proportional to 181,395.40, 250,326.60 and 100,830.42

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Solution

The fourth proportional to 181,395.40, 250,326.60 and 100,830.42 is: 139,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,395.40 : 250,326.60 = 100,830.42 : x
  2. Step 2: Convert to fraction form
    181,395.40/250,326.60 = 100,830.42/x
  3. Step 3: Cross multiply
    181,395.40x = 250,326.60 × 100,830.42
  4. Step 4: Simplify right side
    181,395.40x = 25,240,536,404.23
  5. Step 5: Solve for x
    x = 25,240,536,404.23/181,395.40
  6. Step 6: Final answer
    x = 139,146.51

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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.