Home / 105,865.80-146,096.46-58,123.50

Finding the Fourth Proportional to 105,865.80, 146,096.46 and 58,123.50

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Solution

The fourth proportional to 105,865.80, 146,096.46 and 58,123.50 is: 80,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,865.80 : 146,096.46 = 58,123.50 : x
  2. Step 2: Convert to fraction form
    105,865.80/146,096.46 = 58,123.50/x
  3. Step 3: Cross multiply
    105,865.80x = 146,096.46 × 58,123.50
  4. Step 4: Simplify right side
    105,865.80x = 8,491,637,592.81
  5. Step 5: Solve for x
    x = 8,491,637,592.81/105,865.80
  6. Step 6: Final answer
    x = 80,211.34

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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.