Home / 105,035.07-157,622.67-54,480.69

Finding the Fourth Proportional to 105,035.07, 157,622.67 and 54,480.69

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Solution

The fourth proportional to 105,035.07, 157,622.67 and 54,480.69 is: 81,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035.07 : 157,622.67 = 54,480.69 : x
  2. Step 2: Convert to fraction form
    105,035.07/157,622.67 = 54,480.69/x
  3. Step 3: Cross multiply
    105,035.07x = 157,622.67 × 54,480.69
  4. Step 4: Simplify right side
    105,035.07x = 8,587,391,821.24
  5. Step 5: Solve for x
    x = 8,587,391,821.24/105,035.07
  6. Step 6: Final answer
    x = 81,757.38

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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.