Home / 99,867.76-149,670.36-49,294.60

Finding the Fourth Proportional to 99,867.76, 149,670.36 and 49,294.60

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Solution

The fourth proportional to 99,867.76, 149,670.36 and 49,294.60 is: 73,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,867.76 : 149,670.36 = 49,294.60 : x
  2. Step 2: Convert to fraction form
    99,867.76/149,670.36 = 49,294.60/x
  3. Step 3: Cross multiply
    99,867.76x = 149,670.36 × 49,294.60
  4. Step 4: Simplify right side
    99,867.76x = 7,377,940,528.06
  5. Step 5: Solve for x
    x = 7,377,940,528.06/99,867.76
  6. Step 6: Final answer
    x = 73,877.10

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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.