Home / 105,748.73-145,942.61-58,011.38

Finding the Fourth Proportional to 105,748.73, 145,942.61 and 58,011.38

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Solution

The fourth proportional to 105,748.73, 145,942.61 and 58,011.38 is: 80,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,748.73 : 145,942.61 = 58,011.38 : x
  2. Step 2: Convert to fraction form
    105,748.73/145,942.61 = 58,011.38/x
  3. Step 3: Cross multiply
    105,748.73x = 145,942.61 × 58,011.38
  4. Step 4: Simplify right side
    105,748.73x = 8,466,331,187.13
  5. Step 5: Solve for x
    x = 8,466,331,187.13/105,748.73
  6. Step 6: Final answer
    x = 80,060.83

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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.