Home / 268,902.39-371,071.21-148,020.07

Finding the Fourth Proportional to 268,902.39, 371,071.21 and 148,020.07

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Solution

The fourth proportional to 268,902.39, 371,071.21 and 148,020.07 is: 204,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902.39 : 371,071.21 = 148,020.07 : x
  2. Step 2: Convert to fraction form
    268,902.39/371,071.21 = 148,020.07/x
  3. Step 3: Cross multiply
    268,902.39x = 371,071.21 × 148,020.07
  4. Step 4: Simplify right side
    268,902.39x = 54,925,986,479.18
  5. Step 5: Solve for x
    x = 54,925,986,479.18/268,902.39
  6. Step 6: Final answer
    x = 204,259.94

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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.