Home / 125,213.79-172,794.62-67,853.33

Finding the Fourth Proportional to 125,213.79, 172,794.62 and 67,853.33

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Solution

The fourth proportional to 125,213.79, 172,794.62 and 67,853.33 is: 93,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,213.79 : 172,794.62 = 67,853.33 : x
  2. Step 2: Convert to fraction form
    125,213.79/172,794.62 = 67,853.33/x
  3. Step 3: Cross multiply
    125,213.79x = 172,794.62 × 67,853.33
  4. Step 4: Simplify right side
    125,213.79x = 11,724,690,373.08
  5. Step 5: Solve for x
    x = 11,724,690,373.08/125,213.79
  6. Step 6: Final answer
    x = 93,637.37

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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.