Home / 136,207.90-187,966.33-75,784.33

Finding the Fourth Proportional to 136,207.90, 187,966.33 and 75,784.33

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Solution

The fourth proportional to 136,207.90, 187,966.33 and 75,784.33 is: 104,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207.90 : 187,966.33 = 75,784.33 : x
  2. Step 2: Convert to fraction form
    136,207.90/187,966.33 = 75,784.33/x
  3. Step 3: Cross multiply
    136,207.90x = 187,966.33 × 75,784.33
  4. Step 4: Simplify right side
    136,207.90x = 14,244,902,381.61
  5. Step 5: Solve for x
    x = 14,244,902,381.61/136,207.90
  6. Step 6: Final answer
    x = 104,582.06

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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.