Home / 103,308.20-154,962.30-102,530.60

Finding the Fourth Proportional to 103,308.20, 154,962.30 and 102,530.60

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Solution

The fourth proportional to 103,308.20, 154,962.30 and 102,530.60 is: 153,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,308.20 : 154,962.30 = 102,530.60 : x
  2. Step 2: Convert to fraction form
    103,308.20/154,962.30 = 102,530.60/x
  3. Step 3: Cross multiply
    103,308.20x = 154,962.30 × 102,530.60
  4. Step 4: Simplify right side
    103,308.20x = 15,888,377,596.38
  5. Step 5: Solve for x
    x = 15,888,377,596.38/103,308.20
  6. Step 6: Final answer
    x = 153,795.90

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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.