Home / 209,556.95-314,397.48-120,874.10

Finding the Fourth Proportional to 209,556.95, 314,397.48 and 120,874.10

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Solution

The fourth proportional to 209,556.95, 314,397.48 and 120,874.10 is: 181,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,556.95 : 314,397.48 = 120,874.10 : x
  2. Step 2: Convert to fraction form
    209,556.95/314,397.48 = 120,874.10/x
  3. Step 3: Cross multiply
    209,556.95x = 314,397.48 × 120,874.10
  4. Step 4: Simplify right side
    209,556.95x = 38,002,510,865.28
  5. Step 5: Solve for x
    x = 38,002,510,865.28/209,556.95
  6. Step 6: Final answer
    x = 181,346.94

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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.