Home / 150,006.12-225,009.41-61,259.63

Finding the Fourth Proportional to 150,006.12, 225,009.41 and 61,259.63

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Solution

The fourth proportional to 150,006.12, 225,009.41 and 61,259.63 is: 91,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,006.12 : 225,009.41 = 61,259.63 : x
  2. Step 2: Convert to fraction form
    150,006.12/225,009.41 = 61,259.63/x
  3. Step 3: Cross multiply
    150,006.12x = 225,009.41 × 61,259.63
  4. Step 4: Simplify right side
    150,006.12x = 13,783,991,771.77
  5. Step 5: Solve for x
    x = 13,783,991,771.77/150,006.12
  6. Step 6: Final answer
    x = 91,889.53

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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.