Home / 135,934.76-187,584.80-75,509.30

Finding the Fourth Proportional to 135,934.76, 187,584.80 and 75,509.30

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Solution

The fourth proportional to 135,934.76, 187,584.80 and 75,509.30 is: 104,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.76 : 187,584.80 = 75,509.30 : x
  2. Step 2: Convert to fraction form
    135,934.76/187,584.80 = 75,509.30/x
  3. Step 3: Cross multiply
    135,934.76x = 187,584.80 × 75,509.30
  4. Step 4: Simplify right side
    135,934.76x = 14,164,397,030.06
  5. Step 5: Solve for x
    x = 14,164,397,030.06/135,934.76
  6. Step 6: Final answer
    x = 104,199.96

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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.