Home / 99,814.89-149,597.73-49,909.26

Finding the Fourth Proportional to 99,814.89, 149,597.73 and 49,909.26

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Solution

The fourth proportional to 99,814.89, 149,597.73 and 49,909.26 is: 74,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.89 : 149,597.73 = 49,909.26 : x
  2. Step 2: Convert to fraction form
    99,814.89/149,597.73 = 49,909.26/x
  3. Step 3: Cross multiply
    99,814.89x = 149,597.73 × 49,909.26
  4. Step 4: Simplify right side
    99,814.89x = 7,466,312,001.98
  5. Step 5: Solve for x
    x = 7,466,312,001.98/99,814.89
  6. Step 6: Final answer
    x = 74,801.59

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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.