Home / 193,122.30-290,461.05-172,904.70

Finding the Fourth Proportional to 193,122.30, 290,461.05 and 172,904.70

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Solution

The fourth proportional to 193,122.30, 290,461.05 and 172,904.70 is: 260,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,122.30 : 290,461.05 = 172,904.70 : x
  2. Step 2: Convert to fraction form
    193,122.30/290,461.05 = 172,904.70/x
  3. Step 3: Cross multiply
    193,122.30x = 290,461.05 × 172,904.70
  4. Step 4: Simplify right side
    193,122.30x = 50,222,080,711.94
  5. Step 5: Solve for x
    x = 50,222,080,711.94/193,122.30
  6. Step 6: Final answer
    x = 260,053.24

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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.