Home / 135,887.43-187,518.36-75,461.91

Finding the Fourth Proportional to 135,887.43, 187,518.36 and 75,461.91

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Solution

The fourth proportional to 135,887.43, 187,518.36 and 75,461.91 is: 104,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,887.43 : 187,518.36 = 75,461.91 : x
  2. Step 2: Convert to fraction form
    135,887.43/187,518.36 = 75,461.91/x
  3. Step 3: Cross multiply
    135,887.43x = 187,518.36 × 75,461.91
  4. Step 4: Simplify right side
    135,887.43x = 14,150,493,605.67
  5. Step 5: Solve for x
    x = 14,150,493,605.67/135,887.43
  6. Step 6: Final answer
    x = 104,133.94

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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.