Home / 155,463.72-233,217.45-76,578.63

Finding the Fourth Proportional to 155,463.72, 233,217.45 and 76,578.63

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Solution

The fourth proportional to 155,463.72, 233,217.45 and 76,578.63 is: 114,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,463.72 : 233,217.45 = 76,578.63 : x
  2. Step 2: Convert to fraction form
    155,463.72/233,217.45 = 76,578.63/x
  3. Step 3: Cross multiply
    155,463.72x = 233,217.45 × 76,578.63
  4. Step 4: Simplify right side
    155,463.72x = 17,859,472,813.09
  5. Step 5: Solve for x
    x = 17,859,472,813.09/155,463.72
  6. Step 6: Final answer
    x = 114,878.72

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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.