Home / 209,146.60-313,892.70-96,999.40

Finding the Fourth Proportional to 209,146.60, 313,892.70 and 96,999.40

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Solution

The fourth proportional to 209,146.60, 313,892.70 and 96,999.40 is: 145,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,146.60 : 313,892.70 = 96,999.40 : x
  2. Step 2: Convert to fraction form
    209,146.60/313,892.70 = 96,999.40/x
  3. Step 3: Cross multiply
    209,146.60x = 313,892.70 × 96,999.40
  4. Step 4: Simplify right side
    209,146.60x = 30,447,403,564.38
  5. Step 5: Solve for x
    x = 30,447,403,564.38/209,146.60
  6. Step 6: Final answer
    x = 145,579.24

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1.5x scale

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.