Home / 135,940.45-187,592.55-75,514.93

Finding the Fourth Proportional to 135,940.45, 187,592.55 and 75,514.93

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Solution

The fourth proportional to 135,940.45, 187,592.55 and 75,514.93 is: 104,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,940.45 : 187,592.55 = 75,514.93 : x
  2. Step 2: Convert to fraction form
    135,940.45/187,592.55 = 75,514.93/x
  3. Step 3: Cross multiply
    135,940.45x = 187,592.55 × 75,514.93
  4. Step 4: Simplify right side
    135,940.45x = 14,166,038,281.77
  5. Step 5: Solve for x
    x = 14,166,038,281.77/135,940.45
  6. Step 6: Final answer
    x = 104,207.68

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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.