Home / 158,933.88-218,937.06-136,199.88

Finding the Fourth Proportional to 158,933.88, 218,937.06 and 136,199.88

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Solution

The fourth proportional to 158,933.88, 218,937.06 and 136,199.88 is: 187,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,933.88 : 218,937.06 = 136,199.88 : x
  2. Step 2: Convert to fraction form
    158,933.88/218,937.06 = 136,199.88/x
  3. Step 3: Cross multiply
    158,933.88x = 218,937.06 × 136,199.88
  4. Step 4: Simplify right side
    158,933.88x = 29,819,201,299.55
  5. Step 5: Solve for x
    x = 29,819,201,299.55/158,933.88
  6. Step 6: Final answer
    x = 187,620.17

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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.