Home / 152,865.20-229,048.09-92,912.01

Finding the Fourth Proportional to 152,865.20, 229,048.09 and 92,912.01

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Solution

The fourth proportional to 152,865.20, 229,048.09 and 92,912.01 is: 139,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,865.20 : 229,048.09 = 92,912.01 : x
  2. Step 2: Convert to fraction form
    152,865.20/229,048.09 = 92,912.01/x
  3. Step 3: Cross multiply
    152,865.20x = 229,048.09 × 92,912.01
  4. Step 4: Simplify right side
    152,865.20x = 21,281,318,428.56
  5. Step 5: Solve for x
    x = 21,281,318,428.56/152,865.20
  6. Step 6: Final answer
    x = 139,216.24

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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.