Home / 135,563.52-187,077.64-75,947.52

Finding the Fourth Proportional to 135,563.52, 187,077.64 and 75,947.52

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Solution

The fourth proportional to 135,563.52, 187,077.64 and 75,947.52 is: 104,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,563.52 : 187,077.64 = 75,947.52 : x
  2. Step 2: Convert to fraction form
    135,563.52/187,077.64 = 75,947.52/x
  3. Step 3: Cross multiply
    135,563.52x = 187,077.64 × 75,947.52
  4. Step 4: Simplify right side
    135,563.52x = 14,208,082,805.45
  5. Step 5: Solve for x
    x = 14,208,082,805.45/135,563.52
  6. Step 6: Final answer
    x = 104,807.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.