Home / 268,901.39-371,069.83-148,019.07

Finding the Fourth Proportional to 268,901.39, 371,069.83 and 148,019.07

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Solution

The fourth proportional to 268,901.39, 371,069.83 and 148,019.07 is: 204,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,901.39 : 371,069.83 = 148,019.07 : x
  2. Step 2: Convert to fraction form
    268,901.39/371,069.83 = 148,019.07/x
  3. Step 3: Cross multiply
    268,901.39x = 371,069.83 × 148,019.07
  4. Step 4: Simplify right side
    268,901.39x = 54,925,411,141.66
  5. Step 5: Solve for x
    x = 54,925,411,141.66/268,901.39
  6. Step 6: Final answer
    x = 204,258.56

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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.