Home / 170,305.10-255,512.38-51,988.40

Finding the Fourth Proportional to 170,305.10, 255,512.38 and 51,988.40

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Solution

The fourth proportional to 170,305.10, 255,512.38 and 51,988.40 is: 77,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,305.10 : 255,512.38 = 51,988.40 : x
  2. Step 2: Convert to fraction form
    170,305.10/255,512.38 = 51,988.40/x
  3. Step 3: Cross multiply
    170,305.10x = 255,512.38 × 51,988.40
  4. Step 4: Simplify right side
    170,305.10x = 13,283,679,816.39
  5. Step 5: Solve for x
    x = 13,283,679,816.39/170,305.10
  6. Step 6: Final answer
    x = 77,999.31

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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.