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Finding the Fourth Proportional to 171,448.45, 256,927.55 and 96,411.06

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Solution

The fourth proportional to 171,448.45, 256,927.55 and 96,411.06 is: 144,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,448.45 : 256,927.55 = 96,411.06 : x
  2. Step 2: Convert to fraction form
    171,448.45/256,927.55 = 96,411.06/x
  3. Step 3: Cross multiply
    171,448.45x = 256,927.55 × 96,411.06
  4. Step 4: Simplify right side
    171,448.45x = 24,770,656,956.65
  5. Step 5: Solve for x
    x = 24,770,656,956.65/171,448.45
  6. Step 6: Final answer
    x = 144,478.75

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1.5x scale

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.