Home / 103,379.86-154,953.56-52,636.46

Finding the Fourth Proportional to 103,379.86, 154,953.56 and 52,636.46

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Solution

The fourth proportional to 103,379.86, 154,953.56 and 52,636.46 is: 78,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,379.86 : 154,953.56 = 52,636.46 : x
  2. Step 2: Convert to fraction form
    103,379.86/154,953.56 = 52,636.46/x
  3. Step 3: Cross multiply
    103,379.86x = 154,953.56 × 52,636.46
  4. Step 4: Simplify right side
    103,379.86x = 8,156,206,219.62
  5. Step 5: Solve for x
    x = 8,156,206,219.62/103,379.86
  6. Step 6: Final answer
    x = 78,895.50

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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.