Home / 152,561.26-210,515.04-84,577.60

Finding the Fourth Proportional to 152,561.26, 210,515.04 and 84,577.60

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Solution

The fourth proportional to 152,561.26, 210,515.04 and 84,577.60 is: 116,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,561.26 : 210,515.04 = 84,577.60 : x
  2. Step 2: Convert to fraction form
    152,561.26/210,515.04 = 84,577.60/x
  3. Step 3: Cross multiply
    152,561.26x = 210,515.04 × 84,577.60
  4. Step 4: Simplify right side
    152,561.26x = 17,804,856,847.10
  5. Step 5: Solve for x
    x = 17,804,856,847.10/152,561.26
  6. Step 6: Final answer
    x = 116,706.28

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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.