Home / 187,152.05-280,751.37-73,285.16

Finding the Fourth Proportional to 187,152.05, 280,751.37 and 73,285.16

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Solution

The fourth proportional to 187,152.05, 280,751.37 and 73,285.16 is: 109,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152.05 : 280,751.37 = 73,285.16 : x
  2. Step 2: Convert to fraction form
    187,152.05/280,751.37 = 73,285.16/x
  3. Step 3: Cross multiply
    187,152.05x = 280,751.37 × 73,285.16
  4. Step 4: Simplify right side
    187,152.05x = 20,574,907,300.49
  5. Step 5: Solve for x
    x = 20,574,907,300.49/187,152.05
  6. Step 6: Final answer
    x = 109,936.86

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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.