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Finding the Fourth Proportional to 125,162, 187,784.91 and 40,926.05

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Solution

The fourth proportional to 125,162, 187,784.91 and 40,926.05 is: 61,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,162 : 187,784.91 = 40,926.05 : x
  2. Step 2: Convert to fraction form
    125,162/187,784.91 = 40,926.05/x
  3. Step 3: Cross multiply
    125,162x = 187,784.91 × 40,926.05
  4. Step 4: Simplify right side
    125,162x = 7,685,294,615.91
  5. Step 5: Solve for x
    x = 7,685,294,615.91/125,162
  6. Step 6: Final answer
    x = 61,402.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.