Home / 148,290.13-204,640.57-80,307.21

Finding the Fourth Proportional to 148,290.13, 204,640.57 and 80,307.21

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Solution

The fourth proportional to 148,290.13, 204,640.57 and 80,307.21 is: 110,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,290.13 : 204,640.57 = 80,307.21 : x
  2. Step 2: Convert to fraction form
    148,290.13/204,640.57 = 80,307.21/x
  3. Step 3: Cross multiply
    148,290.13x = 204,640.57 × 80,307.21
  4. Step 4: Simplify right side
    148,290.13x = 16,434,113,229.51
  5. Step 5: Solve for x
    x = 16,434,113,229.51/148,290.13
  6. Step 6: Final answer
    x = 110,824.05

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1.5x scale

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.