Home / 130,620.35-180,258.14-73,272.42

Finding the Fourth Proportional to 130,620.35, 180,258.14 and 73,272.42

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Solution

The fourth proportional to 130,620.35, 180,258.14 and 73,272.42 is: 101,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,620.35 : 180,258.14 = 73,272.42 : x
  2. Step 2: Convert to fraction form
    130,620.35/180,258.14 = 73,272.42/x
  3. Step 3: Cross multiply
    130,620.35x = 180,258.14 × 73,272.42
  4. Step 4: Simplify right side
    130,620.35x = 13,207,948,874.85
  5. Step 5: Solve for x
    x = 13,207,948,874.85/130,620.35
  6. Step 6: Final answer
    x = 101,117.09

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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.