Home / 90,207.14-135,162.97-48,042.46

Finding the Fourth Proportional to 90,207.14, 135,162.97 and 48,042.46

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Solution

The fourth proportional to 90,207.14, 135,162.97 and 48,042.46 is: 71,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,207.14 : 135,162.97 = 48,042.46 : x
  2. Step 2: Convert to fraction form
    90,207.14/135,162.97 = 48,042.46/x
  3. Step 3: Cross multiply
    90,207.14x = 135,162.97 × 48,042.46
  4. Step 4: Simplify right side
    90,207.14x = 6,493,561,579.71
  5. Step 5: Solve for x
    x = 6,493,561,579.71/90,207.14
  6. Step 6: Final answer
    x = 71,985.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.