Home / 209,946.12-289,733.40-119,317.38

Finding the Fourth Proportional to 209,946.12, 289,733.40 and 119,317.38

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Solution

The fourth proportional to 209,946.12, 289,733.40 and 119,317.38 is: 164,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,946.12 : 289,733.40 = 119,317.38 : x
  2. Step 2: Convert to fraction form
    209,946.12/289,733.40 = 119,317.38/x
  3. Step 3: Cross multiply
    209,946.12x = 289,733.40 × 119,317.38
  4. Step 4: Simplify right side
    209,946.12x = 34,570,230,186.49
  5. Step 5: Solve for x
    x = 34,570,230,186.49/209,946.12
  6. Step 6: Final answer
    x = 164,662.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.