Home / 140,099.43-208,915.27-138,835.83

Finding the Fourth Proportional to 140,099.43, 208,915.27 and 138,835.83

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Solution

The fourth proportional to 140,099.43, 208,915.27 and 138,835.83 is: 207,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099.43 : 208,915.27 = 138,835.83 : x
  2. Step 2: Convert to fraction form
    140,099.43/208,915.27 = 138,835.83/x
  3. Step 3: Cross multiply
    140,099.43x = 208,915.27 × 138,835.83
  4. Step 4: Simplify right side
    140,099.43x = 29,004,924,563.03
  5. Step 5: Solve for x
    x = 29,004,924,563.03/140,099.43
  6. Step 6: Final answer
    x = 207,031.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.