Home / 181,465.36-250,421.97-100,890.34

Finding the Fourth Proportional to 181,465.36, 250,421.97 and 100,890.34

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Solution

The fourth proportional to 181,465.36, 250,421.97 and 100,890.34 is: 139,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,465.36 : 250,421.97 = 100,890.34 : x
  2. Step 2: Convert to fraction form
    181,465.36/250,421.97 = 100,890.34/x
  3. Step 3: Cross multiply
    181,465.36x = 250,421.97 × 100,890.34
  4. Step 4: Simplify right side
    181,465.36x = 25,265,157,696.77
  5. Step 5: Solve for x
    x = 25,265,157,696.77/181,465.36
  6. Step 6: Final answer
    x = 139,228.54

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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.