Home / 103,270.55-154,913.24-43,238.61

Finding the Fourth Proportional to 103,270.55, 154,913.24 and 43,238.61

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Solution

The fourth proportional to 103,270.55, 154,913.24 and 43,238.61 is: 64,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.55 : 154,913.24 = 43,238.61 : x
  2. Step 2: Convert to fraction form
    103,270.55/154,913.24 = 43,238.61/x
  3. Step 3: Cross multiply
    103,270.55x = 154,913.24 × 43,238.61
  4. Step 4: Simplify right side
    103,270.55x = 6,698,233,276.29
  5. Step 5: Solve for x
    x = 6,698,233,276.29/103,270.55
  6. Step 6: Final answer
    x = 64,861.02

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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.