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Finding the Fourth Proportional to 110,706.26, 152,776.40 and 60,405.26

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Solution

The fourth proportional to 110,706.26, 152,776.40 and 60,405.26 is: 83,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,706.26 : 152,776.40 = 60,405.26 : x
  2. Step 2: Convert to fraction form
    110,706.26/152,776.40 = 60,405.26/x
  3. Step 3: Cross multiply
    110,706.26x = 152,776.40 × 60,405.26
  4. Step 4: Simplify right side
    110,706.26x = 9,228,497,097.96
  5. Step 5: Solve for x
    x = 9,228,497,097.96/110,706.26
  6. Step 6: Final answer
    x = 83,360.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.