Home / 99,945.67-149,960.06-43,756.85

Finding the Fourth Proportional to 99,945.67, 149,960.06 and 43,756.85

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Solution

The fourth proportional to 99,945.67, 149,960.06 and 43,756.85 is: 65,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,945.67 : 149,960.06 = 43,756.85 : x
  2. Step 2: Convert to fraction form
    99,945.67/149,960.06 = 43,756.85/x
  3. Step 3: Cross multiply
    99,945.67x = 149,960.06 × 43,756.85
  4. Step 4: Simplify right side
    99,945.67x = 6,561,779,851.41
  5. Step 5: Solve for x
    x = 6,561,779,851.41/99,945.67
  6. Step 6: Final answer
    x = 65,653.47

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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.