Home / 210,098.91-289,841.16-123,999.48

Finding the Fourth Proportional to 210,098.91, 289,841.16 and 123,999.48

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Solution

The fourth proportional to 210,098.91, 289,841.16 and 123,999.48 is: 171,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,098.91 : 289,841.16 = 123,999.48 : x
  2. Step 2: Convert to fraction form
    210,098.91/289,841.16 = 123,999.48/x
  3. Step 3: Cross multiply
    210,098.91x = 289,841.16 × 123,999.48
  4. Step 4: Simplify right side
    210,098.91x = 35,940,153,122.60
  5. Step 5: Solve for x
    x = 35,940,153,122.60/210,098.91
  6. Step 6: Final answer
    x = 171,063.02

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1.5x scale

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.