Home / 135,945.14-187,601.67-75,513.06

Finding the Fourth Proportional to 135,945.14, 187,601.67 and 75,513.06

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Solution

The fourth proportional to 135,945.14, 187,601.67 and 75,513.06 is: 104,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945.14 : 187,601.67 = 75,513.06 : x
  2. Step 2: Convert to fraction form
    135,945.14/187,601.67 = 75,513.06/x
  3. Step 3: Cross multiply
    135,945.14x = 187,601.67 × 75,513.06
  4. Step 4: Simplify right side
    135,945.14x = 14,166,376,162.81
  5. Step 5: Solve for x
    x = 14,166,376,162.81/135,945.14
  6. Step 6: Final answer
    x = 104,206.57

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1.5x scale

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.