Home / 178,834.23-246,720.33-115,209

Finding the Fourth Proportional to 178,834.23, 246,720.33 and 115,209

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Solution

The fourth proportional to 178,834.23, 246,720.33 and 115,209 is: 158,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,834.23 : 246,720.33 = 115,209 : x
  2. Step 2: Convert to fraction form
    178,834.23/246,720.33 = 115,209/x
  3. Step 3: Cross multiply
    178,834.23x = 246,720.33 × 115,209
  4. Step 4: Simplify right side
    178,834.23x = 28,424,402,498.97
  5. Step 5: Solve for x
    x = 28,424,402,498.97/178,834.23
  6. Step 6: Final answer
    x = 158,942.74

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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.