Home / 124,926.55-187,401.11-40,664.86

Finding the Fourth Proportional to 124,926.55, 187,401.11 and 40,664.86

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Solution

The fourth proportional to 124,926.55, 187,401.11 and 40,664.86 is: 61,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,926.55 : 187,401.11 = 40,664.86 : x
  2. Step 2: Convert to fraction form
    124,926.55/187,401.11 = 40,664.86/x
  3. Step 3: Cross multiply
    124,926.55x = 187,401.11 × 40,664.86
  4. Step 4: Simplify right side
    124,926.55x = 7,620,639,901.99
  5. Step 5: Solve for x
    x = 7,620,639,901.99/124,926.55
  6. Step 6: Final answer
    x = 61,000.96

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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.