Home / 170,222.10-255,369.60-51,905.40

Finding the Fourth Proportional to 170,222.10, 255,369.60 and 51,905.40

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Solution

The fourth proportional to 170,222.10, 255,369.60 and 51,905.40 is: 77,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,222.10 : 255,369.60 = 51,905.40 : x
  2. Step 2: Convert to fraction form
    170,222.10/255,369.60 = 51,905.40/x
  3. Step 3: Cross multiply
    170,222.10x = 255,369.60 × 51,905.40
  4. Step 4: Simplify right side
    170,222.10x = 13,255,061,235.84
  5. Step 5: Solve for x
    x = 13,255,061,235.84/170,222.10
  6. Step 6: Final answer
    x = 77,869.21

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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.