Home / 124,310.24-171,503.15-81,314.26

Finding the Fourth Proportional to 124,310.24, 171,503.15 and 81,314.26

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Solution

The fourth proportional to 124,310.24, 171,503.15 and 81,314.26 is: 112,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,310.24 : 171,503.15 = 81,314.26 : x
  2. Step 2: Convert to fraction form
    124,310.24/171,503.15 = 81,314.26/x
  3. Step 3: Cross multiply
    124,310.24x = 171,503.15 × 81,314.26
  4. Step 4: Simplify right side
    124,310.24x = 13,945,651,504.45
  5. Step 5: Solve for x
    x = 13,945,651,504.45/124,310.24
  6. Step 6: Final answer
    x = 112,184.25

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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.