Home / 148,209.35-204,646.79-136,874.69

Finding the Fourth Proportional to 148,209.35, 204,646.79 and 136,874.69

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Solution

The fourth proportional to 148,209.35, 204,646.79 and 136,874.69 is: 188,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,209.35 : 204,646.79 = 136,874.69 : x
  2. Step 2: Convert to fraction form
    148,209.35/204,646.79 = 136,874.69/x
  3. Step 3: Cross multiply
    148,209.35x = 204,646.79 × 136,874.69
  4. Step 4: Simplify right side
    148,209.35x = 28,010,966,027.12
  5. Step 5: Solve for x
    x = 28,010,966,027.12/148,209.35
  6. Step 6: Final answer
    x = 188,995.95

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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.