Home / 170,401.66-255,603.09-52,072.50

Finding the Fourth Proportional to 170,401.66, 255,603.09 and 52,072.50

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Solution

The fourth proportional to 170,401.66, 255,603.09 and 52,072.50 is: 78,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,401.66 : 255,603.09 = 52,072.50 : x
  2. Step 2: Convert to fraction form
    170,401.66/255,603.09 = 52,072.50/x
  3. Step 3: Cross multiply
    170,401.66x = 255,603.09 × 52,072.50
  4. Step 4: Simplify right side
    170,401.66x = 13,309,893,057.81
  5. Step 5: Solve for x
    x = 13,309,893,057.81/170,401.66
  6. Step 6: Final answer
    x = 78,108.94

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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.