Home / 148,403.07-204,806.21-83,849.94

Finding the Fourth Proportional to 148,403.07, 204,806.21 and 83,849.94

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Solution

The fourth proportional to 148,403.07, 204,806.21 and 83,849.94 is: 115,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,403.07 : 204,806.21 = 83,849.94 : x
  2. Step 2: Convert to fraction form
    148,403.07/204,806.21 = 83,849.94/x
  3. Step 3: Cross multiply
    148,403.07x = 204,806.21 × 83,849.94
  4. Step 4: Simplify right side
    148,403.07x = 17,172,988,000.88
  5. Step 5: Solve for x
    x = 17,172,988,000.88/148,403.07
  6. Step 6: Final answer
    x = 115,718.55

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1.5x scale

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.