Home / 103,188.95-154,757.79-58,230.05

Finding the Fourth Proportional to 103,188.95, 154,757.79 and 58,230.05

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Solution

The fourth proportional to 103,188.95, 154,757.79 and 58,230.05 is: 87,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.95 : 154,757.79 = 58,230.05 : x
  2. Step 2: Convert to fraction form
    103,188.95/154,757.79 = 58,230.05/x
  3. Step 3: Cross multiply
    103,188.95x = 154,757.79 × 58,230.05
  4. Step 4: Simplify right side
    103,188.95x = 9,011,553,849.59
  5. Step 5: Solve for x
    x = 9,011,553,849.59/103,188.95
  6. Step 6: Final answer
    x = 87,330.61

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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.