Home / 106,330.20-159,495.30-101,491.80

Finding the Fourth Proportional to 106,330.20, 159,495.30 and 101,491.80

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Solution

The fourth proportional to 106,330.20, 159,495.30 and 101,491.80 is: 152,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.20 : 159,495.30 = 101,491.80 : x
  2. Step 2: Convert to fraction form
    106,330.20/159,495.30 = 101,491.80/x
  3. Step 3: Cross multiply
    106,330.20x = 159,495.30 × 101,491.80
  4. Step 4: Simplify right side
    106,330.20x = 16,187,465,088.54
  5. Step 5: Solve for x
    x = 16,187,465,088.54/106,330.20
  6. Step 6: Final answer
    x = 152,237.70

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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.