Home / 181,302.76-250,205.60-100,730.28

Finding the Fourth Proportional to 181,302.76, 250,205.60 and 100,730.28

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Solution

The fourth proportional to 181,302.76, 250,205.60 and 100,730.28 is: 139,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,302.76 : 250,205.60 = 100,730.28 : x
  2. Step 2: Convert to fraction form
    181,302.76/250,205.60 = 100,730.28/x
  3. Step 3: Cross multiply
    181,302.76x = 250,205.60 × 100,730.28
  4. Step 4: Simplify right side
    181,302.76x = 25,203,280,145.57
  5. Step 5: Solve for x
    x = 25,203,280,145.57/181,302.76
  6. Step 6: Final answer
    x = 139,012.12

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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.