Home / 103,323.60-155,014.56-40,163.04

Finding the Fourth Proportional to 103,323.60, 155,014.56 and 40,163.04

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Solution

The fourth proportional to 103,323.60, 155,014.56 and 40,163.04 is: 60,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,323.60 : 155,014.56 = 40,163.04 : x
  2. Step 2: Convert to fraction form
    103,323.60/155,014.56 = 40,163.04/x
  3. Step 3: Cross multiply
    103,323.60x = 155,014.56 × 40,163.04
  4. Step 4: Simplify right side
    103,323.60x = 6,225,855,973.86
  5. Step 5: Solve for x
    x = 6,225,855,973.86/103,323.60
  6. Step 6: Final answer
    x = 60,255.89

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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.