Home / 103,330.86-155,056.08-43,353.96

Finding the Fourth Proportional to 103,330.86, 155,056.08 and 43,353.96

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Solution

The fourth proportional to 103,330.86, 155,056.08 and 43,353.96 is: 65,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.86 : 155,056.08 = 43,353.96 : x
  2. Step 2: Convert to fraction form
    103,330.86/155,056.08 = 43,353.96/x
  3. Step 3: Cross multiply
    103,330.86x = 155,056.08 × 43,353.96
  4. Step 4: Simplify right side
    103,330.86x = 6,722,295,090.08
  5. Step 5: Solve for x
    x = 6,722,295,090.08/103,330.86
  6. Step 6: Final answer
    x = 65,056.03

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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.