Home / 204,428.75-282,114.35-112,558.72

Finding the Fourth Proportional to 204,428.75, 282,114.35 and 112,558.72

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Solution

The fourth proportional to 204,428.75, 282,114.35 and 112,558.72 is: 155,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,428.75 : 282,114.35 = 112,558.72 : x
  2. Step 2: Convert to fraction form
    204,428.75/282,114.35 = 112,558.72/x
  3. Step 3: Cross multiply
    204,428.75x = 282,114.35 × 112,558.72
  4. Step 4: Simplify right side
    204,428.75x = 31,754,430,129.63
  5. Step 5: Solve for x
    x = 31,754,430,129.63/204,428.75
  6. Step 6: Final answer
    x = 155,332.51

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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.