Home / 140,076.50-210,114.56-51,336.95

Finding the Fourth Proportional to 140,076.50, 210,114.56 and 51,336.95

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Solution

The fourth proportional to 140,076.50, 210,114.56 and 51,336.95 is: 77,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,076.50 : 210,114.56 = 51,336.95 : x
  2. Step 2: Convert to fraction form
    140,076.50/210,114.56 = 51,336.95/x
  3. Step 3: Cross multiply
    140,076.50x = 210,114.56 × 51,336.95
  4. Step 4: Simplify right side
    140,076.50x = 10,786,639,353.73
  5. Step 5: Solve for x
    x = 10,786,639,353.73/140,076.50
  6. Step 6: Final answer
    x = 77,005.35

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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.