Home / 159,500.30-239,114.55-70,705.40

Finding the Fourth Proportional to 159,500.30, 239,114.55 and 70,705.40

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Solution

The fourth proportional to 159,500.30, 239,114.55 and 70,705.40 is: 105,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,500.30 : 239,114.55 = 70,705.40 : x
  2. Step 2: Convert to fraction form
    159,500.30/239,114.55 = 70,705.40/x
  3. Step 3: Cross multiply
    159,500.30x = 239,114.55 × 70,705.40
  4. Step 4: Simplify right side
    159,500.30x = 16,906,689,903.57
  5. Step 5: Solve for x
    x = 16,906,689,903.57/159,500.30
  6. Step 6: Final answer
    x = 105,997.86

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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.