Home / 149,142.40-223,748.66-49,302.61

Finding the Fourth Proportional to 149,142.40, 223,748.66 and 49,302.61

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Solution

The fourth proportional to 149,142.40, 223,748.66 and 49,302.61 is: 73,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,142.40 : 223,748.66 = 49,302.61 : x
  2. Step 2: Convert to fraction form
    149,142.40/223,748.66 = 49,302.61/x
  3. Step 3: Cross multiply
    149,142.40x = 223,748.66 × 49,302.61
  4. Step 4: Simplify right side
    149,142.40x = 11,031,392,485.89
  5. Step 5: Solve for x
    x = 11,031,392,485.89/149,142.40
  6. Step 6: Final answer
    x = 73,965.50

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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.