Home / 159,370.20-239,000.22-70,685.76

Finding the Fourth Proportional to 159,370.20, 239,000.22 and 70,685.76

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Solution

The fourth proportional to 159,370.20, 239,000.22 and 70,685.76 is: 106,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370.20 : 239,000.22 = 70,685.76 : x
  2. Step 2: Convert to fraction form
    159,370.20/239,000.22 = 70,685.76/x
  3. Step 3: Cross multiply
    159,370.20x = 239,000.22 × 70,685.76
  4. Step 4: Simplify right side
    159,370.20x = 16,893,912,190.87
  5. Step 5: Solve for x
    x = 16,893,912,190.87/159,370.20
  6. Step 6: Final answer
    x = 106,004.21

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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.