Home / 170,819.86-235,731.41-99,204.50

Finding the Fourth Proportional to 170,819.86, 235,731.41 and 99,204.50

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Solution

The fourth proportional to 170,819.86, 235,731.41 and 99,204.50 is: 136,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,819.86 : 235,731.41 = 99,204.50 : x
  2. Step 2: Convert to fraction form
    170,819.86/235,731.41 = 99,204.50/x
  3. Step 3: Cross multiply
    170,819.86x = 235,731.41 × 99,204.50
  4. Step 4: Simplify right side
    170,819.86x = 23,385,616,498.22
  5. Step 5: Solve for x
    x = 23,385,616,498.22/170,819.86
  6. Step 6: Final answer
    x = 136,902.21

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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.