Home / 148,635.39-205,091.15-84,107.55

Finding the Fourth Proportional to 148,635.39, 205,091.15 and 84,107.55

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Solution

The fourth proportional to 148,635.39, 205,091.15 and 84,107.55 is: 116,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,635.39 : 205,091.15 = 84,107.55 : x
  2. Step 2: Convert to fraction form
    148,635.39/205,091.15 = 84,107.55/x
  3. Step 3: Cross multiply
    148,635.39x = 205,091.15 × 84,107.55
  4. Step 4: Simplify right side
    148,635.39x = 17,249,713,732.64
  5. Step 5: Solve for x
    x = 17,249,713,732.64/148,635.39
  6. Step 6: Final answer
    x = 116,053.88

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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.