Home / 150,448.32-225,672.75-38,128.50

Finding the Fourth Proportional to 150,448.32, 225,672.75 and 38,128.50

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Solution

The fourth proportional to 150,448.32, 225,672.75 and 38,128.50 is: 57,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,448.32 : 225,672.75 = 38,128.50 : x
  2. Step 2: Convert to fraction form
    150,448.32/225,672.75 = 38,128.50/x
  3. Step 3: Cross multiply
    150,448.32x = 225,672.75 × 38,128.50
  4. Step 4: Simplify right side
    150,448.32x = 8,604,563,448.38
  5. Step 5: Solve for x
    x = 8,604,563,448.38/150,448.32
  6. Step 6: Final answer
    x = 57,192.82

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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.