Home / 181,511.26-250,466.36-100,925.78

Finding the Fourth Proportional to 181,511.26, 250,466.36 and 100,925.78

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Solution

The fourth proportional to 181,511.26, 250,466.36 and 100,925.78 is: 139,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,511.26 : 250,466.36 = 100,925.78 : x
  2. Step 2: Convert to fraction form
    181,511.26/250,466.36 = 100,925.78/x
  3. Step 3: Cross multiply
    181,511.26x = 250,466.36 × 100,925.78
  4. Step 4: Simplify right side
    181,511.26x = 25,278,512,746.76
  5. Step 5: Solve for x
    x = 25,278,512,746.76/181,511.26
  6. Step 6: Final answer
    x = 139,266.91

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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.