Home / 208,837.76-288,191.04-119,408

Finding the Fourth Proportional to 208,837.76, 288,191.04 and 119,408

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Solution

The fourth proportional to 208,837.76, 288,191.04 and 119,408 is: 164,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,837.76 : 288,191.04 = 119,408 : x
  2. Step 2: Convert to fraction form
    208,837.76/288,191.04 = 119,408/x
  3. Step 3: Cross multiply
    208,837.76x = 288,191.04 × 119,408
  4. Step 4: Simplify right side
    208,837.76x = 34,412,315,704.32
  5. Step 5: Solve for x
    x = 34,412,315,704.32/208,837.76
  6. Step 6: Final answer
    x = 164,780.14

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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.