Home / 118,492.03-177,782.94-71,140.19

Finding the Fourth Proportional to 118,492.03, 177,782.94 and 71,140.19

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Solution

The fourth proportional to 118,492.03, 177,782.94 and 71,140.19 is: 106,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,492.03 : 177,782.94 = 71,140.19 : x
  2. Step 2: Convert to fraction form
    118,492.03/177,782.94 = 71,140.19/x
  3. Step 3: Cross multiply
    118,492.03x = 177,782.94 × 71,140.19
  4. Step 4: Simplify right side
    118,492.03x = 12,647,512,130.36
  5. Step 5: Solve for x
    x = 12,647,512,130.36/118,492.03
  6. Step 6: Final answer
    x = 106,737.24

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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.