Home / 202,938.66-280,045.44-112,292.94

Finding the Fourth Proportional to 202,938.66, 280,045.44 and 112,292.94

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Solution

The fourth proportional to 202,938.66, 280,045.44 and 112,292.94 is: 154,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,938.66 : 280,045.44 = 112,292.94 : x
  2. Step 2: Convert to fraction form
    202,938.66/280,045.44 = 112,292.94/x
  3. Step 3: Cross multiply
    202,938.66x = 280,045.44 × 112,292.94
  4. Step 4: Simplify right side
    202,938.66x = 31,447,125,791.19
  5. Step 5: Solve for x
    x = 31,447,125,791.19/202,938.66
  6. Step 6: Final answer
    x = 154,958.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.