Home / 135,943.22-187,605.05-75,510.96

Finding the Fourth Proportional to 135,943.22, 187,605.05 and 75,510.96

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Solution

The fourth proportional to 135,943.22, 187,605.05 and 75,510.96 is: 104,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,943.22 : 187,605.05 = 75,510.96 : x
  2. Step 2: Convert to fraction form
    135,943.22/187,605.05 = 75,510.96/x
  3. Step 3: Cross multiply
    135,943.22x = 187,605.05 × 75,510.96
  4. Step 4: Simplify right side
    135,943.22x = 14,166,237,048.79
  5. Step 5: Solve for x
    x = 14,166,237,048.79/135,943.22
  6. Step 6: Final answer
    x = 104,207.02

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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.