Home / 209,355.04-313,636.98-123,710.41

Finding the Fourth Proportional to 209,355.04, 313,636.98 and 123,710.41

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Solution

The fourth proportional to 209,355.04, 313,636.98 and 123,710.41 is: 185,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,355.04 : 313,636.98 = 123,710.41 : x
  2. Step 2: Convert to fraction form
    209,355.04/313,636.98 = 123,710.41/x
  3. Step 3: Cross multiply
    209,355.04x = 313,636.98 × 123,710.41
  4. Step 4: Simplify right side
    209,355.04x = 38,800,159,386.96
  5. Step 5: Solve for x
    x = 38,800,159,386.96/209,355.04
  6. Step 6: Final answer
    x = 185,331.86

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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.