Home / 99,869.04-149,804.13-33,308.98

Finding the Fourth Proportional to 99,869.04, 149,804.13 and 33,308.98

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Solution

The fourth proportional to 99,869.04, 149,804.13 and 33,308.98 is: 49,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,869.04 : 149,804.13 = 33,308.98 : x
  2. Step 2: Convert to fraction form
    99,869.04/149,804.13 = 33,308.98/x
  3. Step 3: Cross multiply
    99,869.04x = 149,804.13 × 33,308.98
  4. Step 4: Simplify right side
    99,869.04x = 4,989,822,770.09
  5. Step 5: Solve for x
    x = 4,989,822,770.09/99,869.04
  6. Step 6: Final answer
    x = 49,963.66

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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.