Home / 149,140.92-223,678.98-49,277.46

Finding the Fourth Proportional to 149,140.92, 223,678.98 and 49,277.46

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Solution

The fourth proportional to 149,140.92, 223,678.98 and 49,277.46 is: 73,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,140.92 : 223,678.98 = 49,277.46 : x
  2. Step 2: Convert to fraction form
    149,140.92/223,678.98 = 49,277.46/x
  3. Step 3: Cross multiply
    149,140.92x = 223,678.98 × 49,277.46
  4. Step 4: Simplify right side
    149,140.92x = 11,022,331,989.79
  5. Step 5: Solve for x
    x = 11,022,331,989.79/149,140.92
  6. Step 6: Final answer
    x = 73,905.48

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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.