Home / 248,890.20-373,335.30-136,915.80

Finding the Fourth Proportional to 248,890.20, 373,335.30 and 136,915.80

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Solution

The fourth proportional to 248,890.20, 373,335.30 and 136,915.80 is: 205,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,890.20 : 373,335.30 = 136,915.80 : x
  2. Step 2: Convert to fraction form
    248,890.20/373,335.30 = 136,915.80/x
  3. Step 3: Cross multiply
    248,890.20x = 373,335.30 × 136,915.80
  4. Step 4: Simplify right side
    248,890.20x = 51,115,501,267.74
  5. Step 5: Solve for x
    x = 51,115,501,267.74/248,890.20
  6. Step 6: Final answer
    x = 205,373.70

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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.