Home / 152,917.17-229,450.93-68,736.80

Finding the Fourth Proportional to 152,917.17, 229,450.93 and 68,736.80

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Solution

The fourth proportional to 152,917.17, 229,450.93 and 68,736.80 is: 103,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,917.17 : 229,450.93 = 68,736.80 : x
  2. Step 2: Convert to fraction form
    152,917.17/229,450.93 = 68,736.80/x
  3. Step 3: Cross multiply
    152,917.17x = 229,450.93 × 68,736.80
  4. Step 4: Simplify right side
    152,917.17x = 15,771,723,087.01
  5. Step 5: Solve for x
    x = 15,771,723,087.01/152,917.17
  6. Step 6: Final answer
    x = 103,139.00

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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.