Home / 150,437.68-225,434.72-83,786

Finding the Fourth Proportional to 150,437.68, 225,434.72 and 83,786

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Solution

The fourth proportional to 150,437.68, 225,434.72 and 83,786 is: 125,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,437.68 : 225,434.72 = 83,786 : x
  2. Step 2: Convert to fraction form
    150,437.68/225,434.72 = 83,786/x
  3. Step 3: Cross multiply
    150,437.68x = 225,434.72 × 83,786
  4. Step 4: Simplify right side
    150,437.68x = 18,888,273,449.92
  5. Step 5: Solve for x
    x = 18,888,273,449.92/150,437.68
  6. Step 6: Final answer
    x = 125,555.47

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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.