Home / 99,455.84-149,187.36-32,897.60

Finding the Fourth Proportional to 99,455.84, 149,187.36 and 32,897.60

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Solution

The fourth proportional to 99,455.84, 149,187.36 and 32,897.60 is: 49,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,455.84 : 149,187.36 = 32,897.60 : x
  2. Step 2: Convert to fraction form
    99,455.84/149,187.36 = 32,897.60/x
  3. Step 3: Cross multiply
    99,455.84x = 149,187.36 × 32,897.60
  4. Step 4: Simplify right side
    99,455.84x = 4,907,906,094.34
  5. Step 5: Solve for x
    x = 4,907,906,094.34/99,455.84
  6. Step 6: Final answer
    x = 49,347.59

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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.