Home / 190,375.03-285,488.72-101,580.09

Finding the Fourth Proportional to 190,375.03, 285,488.72 and 101,580.09

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Solution

The fourth proportional to 190,375.03, 285,488.72 and 101,580.09 is: 152,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,375.03 : 285,488.72 = 101,580.09 : x
  2. Step 2: Convert to fraction form
    190,375.03/285,488.72 = 101,580.09/x
  3. Step 3: Cross multiply
    190,375.03x = 285,488.72 × 101,580.09
  4. Step 4: Simplify right side
    190,375.03x = 28,999,969,871.58
  5. Step 5: Solve for x
    x = 28,999,969,871.58/190,375.03
  6. Step 6: Final answer
    x = 152,330.74

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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.