Home / 209,150.60-313,898.70-97,003.40

Finding the Fourth Proportional to 209,150.60, 313,898.70 and 97,003.40

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Solution

The fourth proportional to 209,150.60, 313,898.70 and 97,003.40 is: 145,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,150.60 : 313,898.70 = 97,003.40 : x
  2. Step 2: Convert to fraction form
    209,150.60/313,898.70 = 97,003.40/x
  3. Step 3: Cross multiply
    209,150.60x = 313,898.70 × 97,003.40
  4. Step 4: Simplify right side
    209,150.60x = 30,449,241,155.58
  5. Step 5: Solve for x
    x = 30,449,241,155.58/209,150.60
  6. Step 6: Final answer
    x = 145,585.24

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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.