Home / 313,105.14-432,073.44-169,862.13

Finding the Fourth Proportional to 313,105.14, 432,073.44 and 169,862.13

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Solution

The fourth proportional to 313,105.14, 432,073.44 and 169,862.13 is: 234,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,105.14 : 432,073.44 = 169,862.13 : x
  2. Step 2: Convert to fraction form
    313,105.14/432,073.44 = 169,862.13/x
  3. Step 3: Cross multiply
    313,105.14x = 432,073.44 × 169,862.13
  4. Step 4: Simplify right side
    313,105.14x = 73,392,914,834.83
  5. Step 5: Solve for x
    x = 73,392,914,834.83/313,105.14
  6. Step 6: Final answer
    x = 234,403.42

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1.5x scale

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.