Home / 205,394.45-308,088.32-79,062.12

Finding the Fourth Proportional to 205,394.45, 308,088.32 and 79,062.12

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Solution

The fourth proportional to 205,394.45, 308,088.32 and 79,062.12 is: 118,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,394.45 : 308,088.32 = 79,062.12 : x
  2. Step 2: Convert to fraction form
    205,394.45/308,088.32 = 79,062.12/x
  3. Step 3: Cross multiply
    205,394.45x = 308,088.32 × 79,062.12
  4. Step 4: Simplify right side
    205,394.45x = 24,358,115,331.13
  5. Step 5: Solve for x
    x = 24,358,115,331.13/205,394.45
  6. Step 6: Final answer
    x = 118,591.89

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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.