Home / 124,764.87-172,205.49-71,063.09

Finding the Fourth Proportional to 124,764.87, 172,205.49 and 71,063.09

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Solution

The fourth proportional to 124,764.87, 172,205.49 and 71,063.09 is: 98,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.87 : 172,205.49 = 71,063.09 : x
  2. Step 2: Convert to fraction form
    124,764.87/172,205.49 = 71,063.09/x
  3. Step 3: Cross multiply
    124,764.87x = 172,205.49 × 71,063.09
  4. Step 4: Simplify right side
    124,764.87x = 12,237,453,373.34
  5. Step 5: Solve for x
    x = 12,237,453,373.34/124,764.87
  6. Step 6: Final answer
    x = 98,084.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.