Home / 205,024.60-307,537.62-99,753.40

Finding the Fourth Proportional to 205,024.60, 307,537.62 and 99,753.40

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Solution

The fourth proportional to 205,024.60, 307,537.62 and 99,753.40 is: 149,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,024.60 : 307,537.62 = 99,753.40 : x
  2. Step 2: Convert to fraction form
    205,024.60/307,537.62 = 99,753.40/x
  3. Step 3: Cross multiply
    205,024.60x = 307,537.62 × 99,753.40
  4. Step 4: Simplify right side
    205,024.60x = 30,677,923,222.91
  5. Step 5: Solve for x
    x = 30,677,923,222.91/205,024.60
  6. Step 6: Final answer
    x = 149,630.45

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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.