Home / 135,934.58-187,583.64-75,509.40

Finding the Fourth Proportional to 135,934.58, 187,583.64 and 75,509.40

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Solution

The fourth proportional to 135,934.58, 187,583.64 and 75,509.40 is: 104,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.58 : 187,583.64 = 75,509.40 : x
  2. Step 2: Convert to fraction form
    135,934.58/187,583.64 = 75,509.40/x
  3. Step 3: Cross multiply
    135,934.58x = 187,583.64 × 75,509.40
  4. Step 4: Simplify right side
    135,934.58x = 14,164,328,106.22
  5. Step 5: Solve for x
    x = 14,164,328,106.22/135,934.58
  6. Step 6: Final answer
    x = 104,199.59

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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.