Home / 153,404.29-230,106.44-69,141.61

Finding the Fourth Proportional to 153,404.29, 230,106.44 and 69,141.61

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Solution

The fourth proportional to 153,404.29, 230,106.44 and 69,141.61 is: 103,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,404.29 : 230,106.44 = 69,141.61 : x
  2. Step 2: Convert to fraction form
    153,404.29/230,106.44 = 69,141.61/x
  3. Step 3: Cross multiply
    153,404.29x = 230,106.44 × 69,141.61
  4. Step 4: Simplify right side
    153,404.29x = 15,909,929,732.97
  5. Step 5: Solve for x
    x = 15,909,929,732.97/153,404.29
  6. Step 6: Final answer
    x = 103,712.42

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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.