Home / 102,083.52-152,992.02-52,121.37

Finding the Fourth Proportional to 102,083.52, 152,992.02 and 52,121.37

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Solution

The fourth proportional to 102,083.52, 152,992.02 and 52,121.37 is: 78,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,083.52 : 152,992.02 = 52,121.37 : x
  2. Step 2: Convert to fraction form
    102,083.52/152,992.02 = 52,121.37/x
  3. Step 3: Cross multiply
    102,083.52x = 152,992.02 × 52,121.37
  4. Step 4: Simplify right side
    102,083.52x = 7,974,153,681.47
  5. Step 5: Solve for x
    x = 7,974,153,681.47/102,083.52
  6. Step 6: Final answer
    x = 78,114.02

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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.