Home / 164,966.20-247,457.40-86,234.20

Finding the Fourth Proportional to 164,966.20, 247,457.40 and 86,234.20

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Solution

The fourth proportional to 164,966.20, 247,457.40 and 86,234.20 is: 129,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,966.20 : 247,457.40 = 86,234.20 : x
  2. Step 2: Convert to fraction form
    164,966.20/247,457.40 = 86,234.20/x
  3. Step 3: Cross multiply
    164,966.20x = 247,457.40 × 86,234.20
  4. Step 4: Simplify right side
    164,966.20x = 21,339,290,923.08
  5. Step 5: Solve for x
    x = 21,339,290,923.08/164,966.20
  6. Step 6: Final answer
    x = 129,355.53

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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.