Home / 152,845.26-229,313.43-72,943.20

Finding the Fourth Proportional to 152,845.26, 229,313.43 and 72,943.20

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Solution

The fourth proportional to 152,845.26, 229,313.43 and 72,943.20 is: 109,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,845.26 : 229,313.43 = 72,943.20 : x
  2. Step 2: Convert to fraction form
    152,845.26/229,313.43 = 72,943.20/x
  3. Step 3: Cross multiply
    152,845.26x = 229,313.43 × 72,943.20
  4. Step 4: Simplify right side
    152,845.26x = 16,726,855,387.18
  5. Step 5: Solve for x
    x = 16,726,855,387.18/152,845.26
  6. Step 6: Final answer
    x = 109,436.53

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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.