Home / 103,522.86-155,179.67-40,303.58

Finding the Fourth Proportional to 103,522.86, 155,179.67 and 40,303.58

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Solution

The fourth proportional to 103,522.86, 155,179.67 and 40,303.58 is: 60,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.86 : 155,179.67 = 40,303.58 : x
  2. Step 2: Convert to fraction form
    103,522.86/155,179.67 = 40,303.58/x
  3. Step 3: Cross multiply
    103,522.86x = 155,179.67 × 40,303.58
  4. Step 4: Simplify right side
    103,522.86x = 6,254,295,266.80
  5. Step 5: Solve for x
    x = 6,254,295,266.80/103,522.86
  6. Step 6: Final answer
    x = 60,414.63

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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.