Home / 140,004.30-210,006.45-51,260.70

Finding the Fourth Proportional to 140,004.30, 210,006.45 and 51,260.70

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Solution

The fourth proportional to 140,004.30, 210,006.45 and 51,260.70 is: 76,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.30 : 210,006.45 = 51,260.70 : x
  2. Step 2: Convert to fraction form
    140,004.30/210,006.45 = 51,260.70/x
  3. Step 3: Cross multiply
    140,004.30x = 210,006.45 × 51,260.70
  4. Step 4: Simplify right side
    140,004.30x = 10,765,077,631.52
  5. Step 5: Solve for x
    x = 10,765,077,631.52/140,004.30
  6. Step 6: Final answer
    x = 76,891.05

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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.