Home / 148,156.58-204,454.52-80,172.06

Finding the Fourth Proportional to 148,156.58, 204,454.52 and 80,172.06

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Solution

The fourth proportional to 148,156.58, 204,454.52 and 80,172.06 is: 110,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,156.58 : 204,454.52 = 80,172.06 : x
  2. Step 2: Convert to fraction form
    148,156.58/204,454.52 = 80,172.06/x
  3. Step 3: Cross multiply
    148,156.58x = 204,454.52 × 80,172.06
  4. Step 4: Simplify right side
    148,156.58x = 16,391,540,044.71
  5. Step 5: Solve for x
    x = 16,391,540,044.71/148,156.58
  6. Step 6: Final answer
    x = 110,636.60

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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.