Home / 100,862.40-151,249.89-34,284.66

Finding the Fourth Proportional to 100,862.40, 151,249.89 and 34,284.66

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Solution

The fourth proportional to 100,862.40, 151,249.89 and 34,284.66 is: 51,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,862.40 : 151,249.89 = 34,284.66 : x
  2. Step 2: Convert to fraction form
    100,862.40/151,249.89 = 34,284.66/x
  3. Step 3: Cross multiply
    100,862.40x = 151,249.89 × 34,284.66
  4. Step 4: Simplify right side
    100,862.40x = 5,185,551,053.69
  5. Step 5: Solve for x
    x = 5,185,551,053.69/100,862.40
  6. Step 6: Final answer
    x = 51,412.13

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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.