Home / 175,645.18-263,068.73-137,456.45

Finding the Fourth Proportional to 175,645.18, 263,068.73 and 137,456.45

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Solution

The fourth proportional to 175,645.18, 263,068.73 and 137,456.45 is: 205,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,645.18 : 263,068.73 = 137,456.45 : x
  2. Step 2: Convert to fraction form
    175,645.18/263,068.73 = 137,456.45/x
  3. Step 3: Cross multiply
    175,645.18x = 263,068.73 × 137,456.45
  4. Step 4: Simplify right side
    175,645.18x = 36,160,494,124.35
  5. Step 5: Solve for x
    x = 36,160,494,124.35/175,645.18
  6. Step 6: Final answer
    x = 205,872.40

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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.