Home / 150,384.92-225,686.64-121,155.80

Finding the Fourth Proportional to 150,384.92, 225,686.64 and 121,155.80

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Solution

The fourth proportional to 150,384.92, 225,686.64 and 121,155.80 is: 181,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,384.92 : 225,686.64 = 121,155.80 : x
  2. Step 2: Convert to fraction form
    150,384.92/225,686.64 = 121,155.80/x
  3. Step 3: Cross multiply
    150,384.92x = 225,686.64 × 121,155.80
  4. Step 4: Simplify right side
    150,384.92x = 27,343,245,418.51
  5. Step 5: Solve for x
    x = 27,343,245,418.51/150,384.92
  6. Step 6: Final answer
    x = 181,821.72

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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.