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Finding the Fourth Proportional to 125,349.90, 188,004.69 and 36,582.60

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Solution

The fourth proportional to 125,349.90, 188,004.69 and 36,582.60 is: 54,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,349.90 : 188,004.69 = 36,582.60 : x
  2. Step 2: Convert to fraction form
    125,349.90/188,004.69 = 36,582.60/x
  3. Step 3: Cross multiply
    125,349.90x = 188,004.69 × 36,582.60
  4. Step 4: Simplify right side
    125,349.90x = 6,877,700,372.39
  5. Step 5: Solve for x
    x = 6,877,700,372.39/125,349.90
  6. Step 6: Final answer
    x = 54,868.02

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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.