Home / 100,994.24-151,823.97-84,386.81

Finding the Fourth Proportional to 100,994.24, 151,823.97 and 84,386.81

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Solution

The fourth proportional to 100,994.24, 151,823.97 and 84,386.81 is: 126,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,994.24 : 151,823.97 = 84,386.81 : x
  2. Step 2: Convert to fraction form
    100,994.24/151,823.97 = 84,386.81/x
  3. Step 3: Cross multiply
    100,994.24x = 151,823.97 × 84,386.81
  4. Step 4: Simplify right side
    100,994.24x = 12,811,940,889.40
  5. Step 5: Solve for x
    x = 12,811,940,889.40/100,994.24
  6. Step 6: Final answer
    x = 126,858.13

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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.