Home / 313,742.43-470,612.97-89,105.00

Finding the Fourth Proportional to 313,742.43, 470,612.97 and 89,105.00

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Solution

The fourth proportional to 313,742.43, 470,612.97 and 89,105.00 is: 133,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,742.43 : 470,612.97 = 89,105.00 : x
  2. Step 2: Convert to fraction form
    313,742.43/470,612.97 = 89,105.00/x
  3. Step 3: Cross multiply
    313,742.43x = 470,612.97 × 89,105.00
  4. Step 4: Simplify right side
    313,742.43x = 41,933,966,338.79
  5. Step 5: Solve for x
    x = 41,933,966,338.79/313,742.43
  6. Step 6: Final answer
    x = 133,657.30

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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.