Home / 313,118.39-432,099.50-169,877.38

Finding the Fourth Proportional to 313,118.39, 432,099.50 and 169,877.38

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Solution

The fourth proportional to 313,118.39, 432,099.50 and 169,877.38 is: 234,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,118.39 : 432,099.50 = 169,877.38 : x
  2. Step 2: Convert to fraction form
    313,118.39/432,099.50 = 169,877.38/x
  3. Step 3: Cross multiply
    313,118.39x = 432,099.50 × 169,877.38
  4. Step 4: Simplify right side
    313,118.39x = 73,403,930,109.92
  5. Step 5: Solve for x
    x = 73,403,930,109.92/313,118.39
  6. Step 6: Final answer
    x = 234,428.68

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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.