Home / 148,291.17-204,640.88-80,307.06

Finding the Fourth Proportional to 148,291.17, 204,640.88 and 80,307.06

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Solution

The fourth proportional to 148,291.17, 204,640.88 and 80,307.06 is: 110,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,291.17 : 204,640.88 = 80,307.06 : x
  2. Step 2: Convert to fraction form
    148,291.17/204,640.88 = 80,307.06/x
  3. Step 3: Cross multiply
    148,291.17x = 204,640.88 × 80,307.06
  4. Step 4: Simplify right side
    148,291.17x = 16,434,107,027.08
  5. Step 5: Solve for x
    x = 16,434,107,027.08/148,291.17
  6. Step 6: Final answer
    x = 110,823.23

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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.