Home / 135,965.24-187,631.88-75,541.50

Finding the Fourth Proportional to 135,965.24, 187,631.88 and 75,541.50

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Solution

The fourth proportional to 135,965.24, 187,631.88 and 75,541.50 is: 104,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.24 : 187,631.88 = 75,541.50 : x
  2. Step 2: Convert to fraction form
    135,965.24/187,631.88 = 75,541.50/x
  3. Step 3: Cross multiply
    135,965.24x = 187,631.88 × 75,541.50
  4. Step 4: Simplify right side
    135,965.24x = 14,173,993,663.02
  5. Step 5: Solve for x
    x = 14,173,993,663.02/135,965.24
  6. Step 6: Final answer
    x = 104,247.19

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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.