Home / 142,029.59-213,044.10-82,823.74

Finding the Fourth Proportional to 142,029.59, 213,044.10 and 82,823.74

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Solution

The fourth proportional to 142,029.59, 213,044.10 and 82,823.74 is: 124,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,029.59 : 213,044.10 = 82,823.74 : x
  2. Step 2: Convert to fraction form
    142,029.59/213,044.10 = 82,823.74/x
  3. Step 3: Cross multiply
    142,029.59x = 213,044.10 × 82,823.74
  4. Step 4: Simplify right side
    142,029.59x = 17,645,109,146.93
  5. Step 5: Solve for x
    x = 17,645,109,146.93/142,029.59
  6. Step 6: Final answer
    x = 124,235.44

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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.