Home / 209,291.20-313,746.93-76,077.37

Finding the Fourth Proportional to 209,291.20, 313,746.93 and 76,077.37

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Solution

The fourth proportional to 209,291.20, 313,746.93 and 76,077.37 is: 114,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,291.20 : 313,746.93 = 76,077.37 : x
  2. Step 2: Convert to fraction form
    209,291.20/313,746.93 = 76,077.37/x
  3. Step 3: Cross multiply
    209,291.20x = 313,746.93 × 76,077.37
  4. Step 4: Simplify right side
    209,291.20x = 23,869,041,279.97
  5. Step 5: Solve for x
    x = 23,869,041,279.97/209,291.20
  6. Step 6: Final answer
    x = 114,047.04

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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.