Home / 135,931.39-187,580.14-75,505.93

Finding the Fourth Proportional to 135,931.39, 187,580.14 and 75,505.93

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Solution

The fourth proportional to 135,931.39, 187,580.14 and 75,505.93 is: 104,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,931.39 : 187,580.14 = 75,505.93 : x
  2. Step 2: Convert to fraction form
    135,931.39/187,580.14 = 75,505.93/x
  3. Step 3: Cross multiply
    135,931.39x = 187,580.14 × 75,505.93
  4. Step 4: Simplify right side
    135,931.39x = 14,163,412,262.52
  5. Step 5: Solve for x
    x = 14,163,412,262.52/135,931.39
  6. Step 6: Final answer
    x = 104,195.30

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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.