Home / 208,521.58-313,280.92-133,788.52

Finding the Fourth Proportional to 208,521.58, 313,280.92 and 133,788.52

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Solution

The fourth proportional to 208,521.58, 313,280.92 and 133,788.52 is: 201,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,521.58 : 313,280.92 = 133,788.52 : x
  2. Step 2: Convert to fraction form
    208,521.58/313,280.92 = 133,788.52/x
  3. Step 3: Cross multiply
    208,521.58x = 313,280.92 × 133,788.52
  4. Step 4: Simplify right side
    208,521.58x = 41,913,390,631.04
  5. Step 5: Solve for x
    x = 41,913,390,631.04/208,521.58
  6. Step 6: Final answer
    x = 201,002.65

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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.