Home / 136,864.51-205,425.94-70,351.35

Finding the Fourth Proportional to 136,864.51, 205,425.94 and 70,351.35

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Solution

The fourth proportional to 136,864.51, 205,425.94 and 70,351.35 is: 105,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,864.51 : 205,425.94 = 70,351.35 : x
  2. Step 2: Convert to fraction form
    136,864.51/205,425.94 = 70,351.35/x
  3. Step 3: Cross multiply
    136,864.51x = 205,425.94 × 70,351.35
  4. Step 4: Simplify right side
    136,864.51x = 14,451,991,381.79
  5. Step 5: Solve for x
    x = 14,451,991,381.79/136,864.51
  6. Step 6: Final answer
    x = 105,593.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.