Home / 158,441.13-218,648.76-91,373.13

Finding the Fourth Proportional to 158,441.13, 218,648.76 and 91,373.13

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Solution

The fourth proportional to 158,441.13, 218,648.76 and 91,373.13 is: 126,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,441.13 : 218,648.76 = 91,373.13 : x
  2. Step 2: Convert to fraction form
    158,441.13/218,648.76 = 91,373.13/x
  3. Step 3: Cross multiply
    158,441.13x = 218,648.76 × 91,373.13
  4. Step 4: Simplify right side
    158,441.13x = 19,978,621,571.82
  5. Step 5: Solve for x
    x = 19,978,621,571.82/158,441.13
  6. Step 6: Final answer
    x = 126,094.92

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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.