Home / 135,895.09-187,537.75-75,471.35

Finding the Fourth Proportional to 135,895.09, 187,537.75 and 75,471.35

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Solution

The fourth proportional to 135,895.09, 187,537.75 and 75,471.35 is: 104,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,895.09 : 187,537.75 = 75,471.35 : x
  2. Step 2: Convert to fraction form
    135,895.09/187,537.75 = 75,471.35/x
  3. Step 3: Cross multiply
    135,895.09x = 187,537.75 × 75,471.35
  4. Step 4: Simplify right side
    135,895.09x = 14,153,727,783.64
  5. Step 5: Solve for x
    x = 14,153,727,783.64/135,895.09
  6. Step 6: Final answer
    x = 104,151.87

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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.