Home / 220,981.26-304,946.08-135,084.10

Finding the Fourth Proportional to 220,981.26, 304,946.08 and 135,084.10

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Solution

The fourth proportional to 220,981.26, 304,946.08 and 135,084.10 is: 186,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,981.26 : 304,946.08 = 135,084.10 : x
  2. Step 2: Convert to fraction form
    220,981.26/304,946.08 = 135,084.10/x
  3. Step 3: Cross multiply
    220,981.26x = 304,946.08 × 135,084.10
  4. Step 4: Simplify right side
    220,981.26x = 41,193,366,765.33
  5. Step 5: Solve for x
    x = 41,193,366,765.33/220,981.26
  6. Step 6: Final answer
    x = 186,411.13

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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.