Home / 135,031.75-186,341.61-74,604.94

Finding the Fourth Proportional to 135,031.75, 186,341.61 and 74,604.94

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Solution

The fourth proportional to 135,031.75, 186,341.61 and 74,604.94 is: 102,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,031.75 : 186,341.61 = 74,604.94 : x
  2. Step 2: Convert to fraction form
    135,031.75/186,341.61 = 74,604.94/x
  3. Step 3: Cross multiply
    135,031.75x = 186,341.61 × 74,604.94
  4. Step 4: Simplify right side
    135,031.75x = 13,902,004,633.55
  5. Step 5: Solve for x
    x = 13,902,004,633.55/135,031.75
  6. Step 6: Final answer
    x = 102,953.60

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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.