Home / 105,524.04-145,622.70-57,126

Finding the Fourth Proportional to 105,524.04, 145,622.70 and 57,126

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Solution

The fourth proportional to 105,524.04, 145,622.70 and 57,126 is: 78,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.04 : 145,622.70 = 57,126 : x
  2. Step 2: Convert to fraction form
    105,524.04/145,622.70 = 57,126/x
  3. Step 3: Cross multiply
    105,524.04x = 145,622.70 × 57,126
  4. Step 4: Simplify right side
    105,524.04x = 8,318,842,360.20
  5. Step 5: Solve for x
    x = 8,318,842,360.20/105,524.04
  6. Step 6: Final answer
    x = 78,833.62

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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.