Home / 150,209.63-225,392.10-66,028.89

Finding the Fourth Proportional to 150,209.63, 225,392.10 and 66,028.89

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Solution

The fourth proportional to 150,209.63, 225,392.10 and 66,028.89 is: 99,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,209.63 : 225,392.10 = 66,028.89 : x
  2. Step 2: Convert to fraction form
    150,209.63/225,392.10 = 66,028.89/x
  3. Step 3: Cross multiply
    150,209.63x = 225,392.10 × 66,028.89
  4. Step 4: Simplify right side
    150,209.63x = 14,882,390,177.77
  5. Step 5: Solve for x
    x = 14,882,390,177.77/150,209.63
  6. Step 6: Final answer
    x = 99,077.47

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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.