Home / 145,272.98-217,784.65-50,490.85

Finding the Fourth Proportional to 145,272.98, 217,784.65 and 50,490.85

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Solution

The fourth proportional to 145,272.98, 217,784.65 and 50,490.85 is: 75,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,272.98 : 217,784.65 = 50,490.85 : x
  2. Step 2: Convert to fraction form
    145,272.98/217,784.65 = 50,490.85/x
  3. Step 3: Cross multiply
    145,272.98x = 217,784.65 × 50,490.85
  4. Step 4: Simplify right side
    145,272.98x = 10,996,131,424.76
  5. Step 5: Solve for x
    x = 10,996,131,424.76/145,272.98
  6. Step 6: Final answer
    x = 75,692.89

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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.