Home / 228,087.06-342,031.58-87,747.18

Finding the Fourth Proportional to 228,087.06, 342,031.58 and 87,747.18

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Solution

The fourth proportional to 228,087.06, 342,031.58 and 87,747.18 is: 131,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,087.06 : 342,031.58 = 87,747.18 : x
  2. Step 2: Convert to fraction form
    228,087.06/342,031.58 = 87,747.18/x
  3. Step 3: Cross multiply
    228,087.06x = 342,031.58 × 87,747.18
  4. Step 4: Simplify right side
    228,087.06x = 30,012,306,615.94
  5. Step 5: Solve for x
    x = 30,012,306,615.94/228,087.06
  6. Step 6: Final answer
    x = 131,582.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.