Home / 159,945.40-239,802.90-89,846.20

Finding the Fourth Proportional to 159,945.40, 239,802.90 and 89,846.20

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Solution

The fourth proportional to 159,945.40, 239,802.90 and 89,846.20 is: 134,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,945.40 : 239,802.90 = 89,846.20 : x
  2. Step 2: Convert to fraction form
    159,945.40/239,802.90 = 89,846.20/x
  3. Step 3: Cross multiply
    159,945.40x = 239,802.90 × 89,846.20
  4. Step 4: Simplify right side
    159,945.40x = 21,545,379,313.98
  5. Step 5: Solve for x
    x = 21,545,379,313.98/159,945.40
  6. Step 6: Final answer
    x = 134,704.59

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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.