Home / 143,823.60-215,476.20-127,234.80

Finding the Fourth Proportional to 143,823.60, 215,476.20 and 127,234.80

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Solution

The fourth proportional to 143,823.60, 215,476.20 and 127,234.80 is: 190,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,823.60 : 215,476.20 = 127,234.80 : x
  2. Step 2: Convert to fraction form
    143,823.60/215,476.20 = 127,234.80/x
  3. Step 3: Cross multiply
    143,823.60x = 215,476.20 × 127,234.80
  4. Step 4: Simplify right side
    143,823.60x = 27,416,071,211.76
  5. Step 5: Solve for x
    x = 27,416,071,211.76/143,823.60
  6. Step 6: Final answer
    x = 190,622.90

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1.5x scale

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.