Home / 209,123.91-313,264.87-96,649.23

Finding the Fourth Proportional to 209,123.91, 313,264.87 and 96,649.23

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Solution

The fourth proportional to 209,123.91, 313,264.87 and 96,649.23 is: 144,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,123.91 : 313,264.87 = 96,649.23 : x
  2. Step 2: Convert to fraction form
    209,123.91/313,264.87 = 96,649.23/x
  3. Step 3: Cross multiply
    209,123.91x = 313,264.87 × 96,649.23
  4. Step 4: Simplify right side
    209,123.91x = 30,276,809,404.67
  5. Step 5: Solve for x
    x = 30,276,809,404.67/209,123.91
  6. Step 6: Final answer
    x = 144,779.28

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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.