Home / 199,422.03-298,927.85-87,081.24

Finding the Fourth Proportional to 199,422.03, 298,927.85 and 87,081.24

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Solution

The fourth proportional to 199,422.03, 298,927.85 and 87,081.24 is: 130,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,422.03 : 298,927.85 = 87,081.24 : x
  2. Step 2: Convert to fraction form
    199,422.03/298,927.85 = 87,081.24/x
  3. Step 3: Cross multiply
    199,422.03x = 298,927.85 × 87,081.24
  4. Step 4: Simplify right side
    199,422.03x = 26,031,007,848.53
  5. Step 5: Solve for x
    x = 26,031,007,848.53/199,422.03
  6. Step 6: Final answer
    x = 130,532.26

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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.