Home / 106,011.40-158,940.70-53,457.96

Finding the Fourth Proportional to 106,011.40, 158,940.70 and 53,457.96

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Solution

The fourth proportional to 106,011.40, 158,940.70 and 53,457.96 is: 80,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,011.40 : 158,940.70 = 53,457.96 : x
  2. Step 2: Convert to fraction form
    106,011.40/158,940.70 = 53,457.96/x
  3. Step 3: Cross multiply
    106,011.40x = 158,940.70 × 53,457.96
  4. Step 4: Simplify right side
    106,011.40x = 8,496,645,582.97
  5. Step 5: Solve for x
    x = 8,496,645,582.97/106,011.40
  6. Step 6: Final answer
    x = 80,148.41

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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.