Home / 149,998.71-225,053.75-70,081.89

Finding the Fourth Proportional to 149,998.71, 225,053.75 and 70,081.89

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Solution

The fourth proportional to 149,998.71, 225,053.75 and 70,081.89 is: 105,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,998.71 : 225,053.75 = 70,081.89 : x
  2. Step 2: Convert to fraction form
    149,998.71/225,053.75 = 70,081.89/x
  3. Step 3: Cross multiply
    149,998.71x = 225,053.75 × 70,081.89
  4. Step 4: Simplify right side
    149,998.71x = 15,772,192,151.59
  5. Step 5: Solve for x
    x = 15,772,192,151.59/149,998.71
  6. Step 6: Final answer
    x = 105,148.85

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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.