Home / 98,826.34-148,298.57-90,786.61

Finding the Fourth Proportional to 98,826.34, 148,298.57 and 90,786.61

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Solution

The fourth proportional to 98,826.34, 148,298.57 and 90,786.61 is: 136,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,826.34 : 148,298.57 = 90,786.61 : x
  2. Step 2: Convert to fraction form
    98,826.34/148,298.57 = 90,786.61/x
  3. Step 3: Cross multiply
    98,826.34x = 148,298.57 × 90,786.61
  4. Step 4: Simplify right side
    98,826.34x = 13,463,524,438.15
  5. Step 5: Solve for x
    x = 13,463,524,438.15/98,826.34
  6. Step 6: Final answer
    x = 136,234.17

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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.