Home / 158,360.62-218,537.75-86,741.84

Finding the Fourth Proportional to 158,360.62, 218,537.75 and 86,741.84

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Solution

The fourth proportional to 158,360.62, 218,537.75 and 86,741.84 is: 119,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,360.62 : 218,537.75 = 86,741.84 : x
  2. Step 2: Convert to fraction form
    158,360.62/218,537.75 = 86,741.84/x
  3. Step 3: Cross multiply
    158,360.62x = 218,537.75 × 86,741.84
  4. Step 4: Simplify right side
    158,360.62x = 18,956,366,544.46
  5. Step 5: Solve for x
    x = 18,956,366,544.46/158,360.62
  6. Step 6: Final answer
    x = 119,703.79

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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.